78875992

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{223}}^1$

素因数の和:440

約数の個数: 64

約数和(自身を含む): 169344000

約数和(自身を除く): 90468008

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 179, 223, 247, 358, 446, 494, 716, 892, 988, 1432, 1784, 1976, 2327, 2899, 3401, 4237, 4654, 5798, 6802, 8474, 9308, 11596, 13604, 16948, 18616, 23192, 27208, 33896, 39917, 44213, 55081, 79834, 88426, 110162, 159668, 176852, 220324, 319336, 353704, 440648, 518921, 758423, 1037842, 1516846, 2075684, 3033692, 4151368, 6067384, 9859499, 19718998, 39437996, 78875992]

約数ペア:

[(1, 78875992), (2, 39437996), (4, 19718998), (8, 9859499), (13, 6067384), (19, 4151368), (26, 3033692), (38, 2075684), (52, 1516846), (76, 1037842), (104, 758423), (152, 518921), (179, 440648), (223, 353704), (247, 319336), (358, 220324), (446, 176852), (494, 159668), (716, 110162), (892, 88426), (988, 79834), (1432, 55081), (1784, 44213), (1976, 39917), (2327, 33896), (2899, 27208), (3401, 23192), (4237, 18616), (4654, 16948), (5798, 13604), (6802, 11596), (8474, 9308)]