28682784

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1$

素因数の和:239

約数の個数: 144

約数和(自身を含む): 90260352

約数和(自身を除く): 61577568

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 47, 48, 52, 72, 78, 94, 96, 104, 117, 141, 144, 156, 163, 188, 208, 234, 282, 288, 312, 326, 376, 416, 423, 468, 489, 564, 611, 624, 652, 752, 846, 936, 978, 1128, 1222, 1248, 1304, 1467, 1504, 1692, 1833, 1872, 1956, 2119, 2256, 2444, 2608, 2934, 3384, 3666, 3744, 3912, 4238, 4512, 4888, 5216, 5499, 5868, 6357, 6768, 7332, 7661, 7824, 8476, 9776, 10998, 11736, 12714, 13536, 14664, 15322, 15648, 16952, 19071, 19552, 21996, 22983, 23472, 25428, 29328, 30644, 33904, 38142, 43992, 45966, 46944, 50856, 58656, 61288, 67808, 68949, 76284, 87984, 91932, 99593, 101712, 122576, 137898, 152568, 175968, 183864, 199186, 203424, 245152, 275796, 298779, 305136, 367728, 398372, 551592, 597558, 610272, 735456, 796744, 896337, 1103184, 1195116, 1593488, 1792674, 2206368, 2390232, 3186976, 3585348, 4780464, 7170696, 9560928, 14341392, 28682784]

約数ペア:

[(1, 28682784), (2, 14341392), (3, 9560928), (4, 7170696), (6, 4780464), (8, 3585348), (9, 3186976), (12, 2390232), (13, 2206368), (16, 1792674), (18, 1593488), (24, 1195116), (26, 1103184), (32, 896337), (36, 796744), (39, 735456), (47, 610272), (48, 597558), (52, 551592), (72, 398372), (78, 367728), (94, 305136), (96, 298779), (104, 275796), (117, 245152), (141, 203424), (144, 199186), (156, 183864), (163, 175968), (188, 152568), (208, 137898), (234, 122576), (282, 101712), (288, 99593), (312, 91932), (326, 87984), (376, 76284), (416, 68949), (423, 67808), (468, 61288), (489, 58656), (564, 50856), (611, 46944), (624, 45966), (652, 43992), (752, 38142), (846, 33904), (936, 30644), (978, 29328), (1128, 25428), (1222, 23472), (1248, 22983), (1304, 21996), (1467, 19552), (1504, 19071), (1692, 16952), (1833, 15648), (1872, 15322), (1956, 14664), (2119, 13536), (2256, 12714), (2444, 11736), (2608, 10998), (2934, 9776), (3384, 8476), (3666, 7824), (3744, 7661), (3912, 7332), (4238, 6768), (4512, 6357), (4888, 5868), (5216, 5499)]