28747758

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{179}}^1$

素因数の和:297

約数の個数: 64

約数和(自身を含む): 65318400

約数和(自身を除く): 36570642

約数列:

[1, 2, 3, 6, 13, 26, 29, 39, 58, 71, 78, 87, 142, 174, 179, 213, 358, 377, 426, 537, 754, 923, 1074, 1131, 1846, 2059, 2262, 2327, 2769, 4118, 4654, 5191, 5538, 6177, 6981, 10382, 12354, 12709, 13962, 15573, 25418, 26767, 31146, 38127, 53534, 67483, 76254, 80301, 134966, 160602, 165217, 202449, 330434, 368561, 404898, 495651, 737122, 991302, 1105683, 2211366, 4791293, 9582586, 14373879, 28747758]

約数ペア:

[(1, 28747758), (2, 14373879), (3, 9582586), (6, 4791293), (13, 2211366), (26, 1105683), (29, 991302), (39, 737122), (58, 495651), (71, 404898), (78, 368561), (87, 330434), (142, 202449), (174, 165217), (179, 160602), (213, 134966), (358, 80301), (377, 76254), (426, 67483), (537, 53534), (754, 38127), (923, 31146), (1074, 26767), (1131, 25418), (1846, 15573), (2059, 13962), (2262, 12709), (2327, 12354), (2769, 10382), (4118, 6981), (4654, 6177), (5191, 5538)]