81292672

素因数分解:

$2^7\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{521}}^1$

素因数の和:611

約数の個数: 64

約数和(自身を含む): 172510560

約数和(自身を除く): 91217888

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 53, 64, 92, 106, 128, 184, 212, 368, 424, 521, 736, 848, 1042, 1219, 1472, 1696, 2084, 2438, 2944, 3392, 4168, 4876, 6784, 8336, 9752, 11983, 16672, 19504, 23966, 27613, 33344, 39008, 47932, 55226, 66688, 78016, 95864, 110452, 156032, 191728, 220904, 383456, 441808, 635099, 766912, 883616, 1270198, 1533824, 1767232, 2540396, 3534464, 5080792, 10161584, 20323168, 40646336, 81292672]

約数ペア:

[(1, 81292672), (2, 40646336), (4, 20323168), (8, 10161584), (16, 5080792), (23, 3534464), (32, 2540396), (46, 1767232), (53, 1533824), (64, 1270198), (92, 883616), (106, 766912), (128, 635099), (184, 441808), (212, 383456), (368, 220904), (424, 191728), (521, 156032), (736, 110452), (848, 95864), (1042, 78016), (1219, 66688), (1472, 55226), (1696, 47932), (2084, 39008), (2438, 33344), (2944, 27613), (3392, 23966), (4168, 19504), (4876, 16672), (6784, 11983), (8336, 9752)]