251613936

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{47}}^2\times {\mathrm{113}}^1$

素因数の和:228

約数の個数: 180

約数和(自身を含む): 829528752

約数和(自身を除く): 577914816

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 47, 48, 56, 63, 72, 84, 94, 112, 113, 126, 141, 144, 168, 188, 226, 252, 282, 329, 336, 339, 376, 423, 452, 504, 564, 658, 678, 752, 791, 846, 904, 987, 1008, 1017, 1128, 1316, 1356, 1582, 1692, 1808, 1974, 2034, 2209, 2256, 2373, 2632, 2712, 2961, 3164, 3384, 3948, 4068, 4418, 4746, 5264, 5311, 5424, 5922, 6328, 6627, 6768, 7119, 7896, 8136, 8836, 9492, 10622, 11844, 12656, 13254, 14238, 15463, 15792, 15933, 16272, 17672, 18984, 19881, 21244, 23688, 26508, 28476, 30926, 31866, 35344, 37177, 37968, 39762, 42488, 46389, 47376, 47799, 53016, 56952, 61852, 63732, 74354, 79524, 84976, 92778, 95598, 106032, 111531, 113904, 123704, 127464, 139167, 148708, 159048, 185556, 191196, 223062, 247408, 249617, 254928, 278334, 297416, 318096, 334593, 371112, 382392, 446124, 499234, 556668, 594832, 669186, 742224, 748851, 764784, 892248, 998468, 1113336, 1338372, 1497702, 1747319, 1784496, 1996936, 2226672, 2246553, 2676744, 2995404, 3494638, 3993872, 4493106, 5241957, 5353488, 5990808, 6989276, 8986212, 10483914, 11981616, 13978552, 15725871, 17972424, 20967828, 27957104, 31451742, 35944848, 41935656, 62903484, 83871312, 125806968, 251613936]

約数ペア:

[(1, 251613936), (2, 125806968), (3, 83871312), (4, 62903484), (6, 41935656), (7, 35944848), (8, 31451742), (9, 27957104), (12, 20967828), (14, 17972424), (16, 15725871), (18, 13978552), (21, 11981616), (24, 10483914), (28, 8986212), (36, 6989276), (42, 5990808), (47, 5353488), (48, 5241957), (56, 4493106), (63, 3993872), (72, 3494638), (84, 2995404), (94, 2676744), (112, 2246553), (113, 2226672), (126, 1996936), (141, 1784496), (144, 1747319), (168, 1497702), (188, 1338372), (226, 1113336), (252, 998468), (282, 892248), (329, 764784), (336, 748851), (339, 742224), (376, 669186), (423, 594832), (452, 556668), (504, 499234), (564, 446124), (658, 382392), (678, 371112), (752, 334593), (791, 318096), (846, 297416), (904, 278334), (987, 254928), (1008, 249617), (1017, 247408), (1128, 223062), (1316, 191196), (1356, 185556), (1582, 159048), (1692, 148708), (1808, 139167), (1974, 127464), (2034, 123704), (2209, 113904), (2256, 111531), (2373, 106032), (2632, 95598), (2712, 92778), (2961, 84976), (3164, 79524), (3384, 74354), (3948, 63732), (4068, 61852), (4418, 56952), (4746, 53016), (5264, 47799), (5311, 47376), (5424, 46389), (5922, 42488), (6328, 39762), (6627, 37968), (6768, 37177), (7119, 35344), (7896, 31866), (8136, 30926), (8836, 28476), (9492, 26508), (10622, 23688), (11844, 21244), (12656, 19881), (13254, 18984), (14238, 17672), (15463, 16272), (15792, 15933)]