42501784

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{157}}^1$

素因数の和:332

約数の個数: 64

約数和(自身を含む): 91576800

約数和(自身を除く): 49075016

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 137, 152, 157, 247, 274, 314, 494, 548, 628, 988, 1096, 1256, 1781, 1976, 2041, 2603, 2983, 3562, 4082, 5206, 5966, 7124, 8164, 10412, 11932, 14248, 16328, 20824, 21509, 23864, 33839, 38779, 43018, 67678, 77558, 86036, 135356, 155116, 172072, 270712, 279617, 310232, 408671, 559234, 817342, 1118468, 1634684, 2236936, 3269368, 5312723, 10625446, 21250892, 42501784]

約数ペア:

[(1, 42501784), (2, 21250892), (4, 10625446), (8, 5312723), (13, 3269368), (19, 2236936), (26, 1634684), (38, 1118468), (52, 817342), (76, 559234), (104, 408671), (137, 310232), (152, 279617), (157, 270712), (247, 172072), (274, 155116), (314, 135356), (494, 86036), (548, 77558), (628, 67678), (988, 43018), (1096, 38779), (1256, 33839), (1781, 23864), (1976, 21509), (2041, 20824), (2603, 16328), (2983, 14248), (3562, 11932), (4082, 10412), (5206, 8164), (5966, 7124)]