28105812

素因数分解:

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

素因数の和:187

約数の個数: 144

約数和(自身を含む): 87333120

約数和(自身を除く): 59227308

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 47, 49, 54, 63, 84, 94, 98, 108, 113, 126, 141, 147, 188, 189, 196, 226, 252, 282, 294, 329, 339, 378, 423, 441, 452, 564, 588, 658, 678, 756, 791, 846, 882, 987, 1017, 1269, 1316, 1323, 1356, 1582, 1692, 1764, 1974, 2034, 2303, 2373, 2538, 2646, 2961, 3051, 3164, 3948, 4068, 4606, 4746, 5076, 5292, 5311, 5537, 5922, 6102, 6909, 7119, 8883, 9212, 9492, 10622, 11074, 11844, 12204, 13818, 14238, 15933, 16611, 17766, 20727, 21244, 21357, 22148, 27636, 28476, 31866, 33222, 35532, 37177, 41454, 42714, 47799, 49833, 62181, 63732, 66444, 74354, 82908, 85428, 95598, 99666, 111531, 124362, 143397, 148708, 149499, 191196, 199332, 223062, 248724, 260239, 286794, 298998, 334593, 446124, 520478, 573588, 597996, 669186, 780717, 1003779, 1040956, 1338372, 1561434, 2007558, 2342151, 3122868, 4015116, 4684302, 7026453, 9368604, 14052906, 28105812]

約数ペア:

[(1, 28105812), (2, 14052906), (3, 9368604), (4, 7026453), (6, 4684302), (7, 4015116), (9, 3122868), (12, 2342151), (14, 2007558), (18, 1561434), (21, 1338372), (27, 1040956), (28, 1003779), (36, 780717), (42, 669186), (47, 597996), (49, 573588), (54, 520478), (63, 446124), (84, 334593), (94, 298998), (98, 286794), (108, 260239), (113, 248724), (126, 223062), (141, 199332), (147, 191196), (188, 149499), (189, 148708), (196, 143397), (226, 124362), (252, 111531), (282, 99666), (294, 95598), (329, 85428), (339, 82908), (378, 74354), (423, 66444), (441, 63732), (452, 62181), (564, 49833), (588, 47799), (658, 42714), (678, 41454), (756, 37177), (791, 35532), (846, 33222), (882, 31866), (987, 28476), (1017, 27636), (1269, 22148), (1316, 21357), (1323, 21244), (1356, 20727), (1582, 17766), (1692, 16611), (1764, 15933), (1974, 14238), (2034, 13818), (2303, 12204), (2373, 11844), (2538, 11074), (2646, 10622), (2961, 9492), (3051, 9212), (3164, 8883), (3948, 7119), (4068, 6909), (4606, 6102), (4746, 5922), (5076, 5537), (5292, 5311)]