127940072

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{64747}}^1$

素因数の和:64785

約数の個数: 32

約数和(自身を含む): 271941600

約数和(自身を除く): 144001528

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 64747, 129494, 258988, 517976, 841711, 1230193, 1683422, 2460386, 3366844, 4920772, 6733688, 9841544, 15992509, 31985018, 63970036, 127940072]

約数ペア:

[(1, 127940072), (2, 63970036), (4, 31985018), (8, 15992509), (13, 9841544), (19, 6733688), (26, 4920772), (38, 3366844), (52, 2460386), (76, 1683422), (104, 1230193), (152, 841711), (247, 517976), (494, 258988), (988, 129494), (1976, 64747)]