644046

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{359}}^1$

素因数の和:400

約数の個数: 32

約数和(自身を含む): 1451520

約数和(自身を除く): 807474

約数列:

[1, 2, 3, 6, 13, 23, 26, 39, 46, 69, 78, 138, 299, 359, 598, 718, 897, 1077, 1794, 2154, 4667, 8257, 9334, 14001, 16514, 24771, 28002, 49542, 107341, 214682, 322023, 644046]

約数ペア:

[(1, 644046), (2, 322023), (3, 214682), (6, 107341), (13, 49542), (23, 28002), (26, 24771), (39, 16514), (46, 14001), (69, 9334), (78, 8257), (138, 4667), (299, 2154), (359, 1794), (598, 1077), (718, 897)]