138959905

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{3257}}^1$

素因数の和:3345

約数の個数: 32

約数和(自身を含む): 202673664

約数和(自身を除く): 63713759

約数列:

[1, 5, 7, 23, 35, 53, 115, 161, 265, 371, 805, 1219, 1855, 3257, 6095, 8533, 16285, 22799, 42665, 74911, 113995, 172621, 374555, 524377, 863105, 1208347, 2621885, 3970283, 6041735, 19851415, 27791981, 138959905]

約数ペア:

[(1, 138959905), (5, 27791981), (7, 19851415), (23, 6041735), (35, 3970283), (53, 2621885), (115, 1208347), (161, 863105), (265, 524377), (371, 374555), (805, 172621), (1219, 113995), (1855, 74911), (3257, 42665), (6095, 22799), (8533, 16285)]