68138464

素因数分解:

$2^5\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{521}}^1$

素因数の和:659

約数の個数: 48

約数和(自身を含む): 138647376

約数和(自身を除く): 70508912

約数列:

[1, 2, 4, 8, 16, 32, 61, 67, 122, 134, 244, 268, 488, 521, 536, 976, 1042, 1072, 1952, 2084, 2144, 4087, 4168, 8174, 8336, 16348, 16672, 31781, 32696, 34907, 63562, 65392, 69814, 127124, 130784, 139628, 254248, 279256, 508496, 558512, 1016992, 1117024, 2129327, 4258654, 8517308, 17034616, 34069232, 68138464]

約数ペア:

[(1, 68138464), (2, 34069232), (4, 17034616), (8, 8517308), (16, 4258654), (32, 2129327), (61, 1117024), (67, 1016992), (122, 558512), (134, 508496), (244, 279256), (268, 254248), (488, 139628), (521, 130784), (536, 127124), (976, 69814), (1042, 65392), (1072, 63562), (1952, 34907), (2084, 32696), (2144, 31781), (4087, 16672), (4168, 16348), (8174, 8336)]