1640667039

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{401}}^1\times {\mathrm{123983}}^1$

素因数の和:124398

約数の個数: 16

約数和(自身を含む): 2392395264

約数和(自身を除く): 751728225

約数列:

[1, 3, 11, 33, 401, 1203, 4411, 13233, 123983, 371949, 1363813, 4091439, 49717183, 149151549, 546889013, 1640667039]

約数ペア:

[(1, 1640667039), (3, 546889013), (11, 149151549), (33, 49717183), (401, 4091439), (1203, 1363813), (4411, 371949), (13233, 123983)]