401388617

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{1567}}^1$

素因数の和:1677

約数の個数: 32

約数和(自身を含む): 503365632

約数和(自身を除く): 101977015

約数列:

[1, 7, 23, 37, 43, 161, 259, 301, 851, 989, 1567, 1591, 5957, 6923, 10969, 11137, 36041, 36593, 57979, 67381, 252287, 256151, 405853, 471667, 1333517, 1549763, 2493097, 9334619, 10848341, 17451679, 57341231, 401388617]

約数ペア:

[(1, 401388617), (7, 57341231), (23, 17451679), (37, 10848341), (43, 9334619), (161, 2493097), (259, 1549763), (301, 1333517), (851, 471667), (989, 405853), (1567, 256151), (1591, 252287), (5957, 67381), (6923, 57979), (10969, 36593), (11137, 36041)]