1640390964

素因数分解:

$2^2\times 3^1\times {\mathrm{263}}^1\times {\mathrm{519769}}^1$

素因数の和:520039

約数の個数: 24

約数和(自身を含む): 3842139840

約数和(自身を除く): 2201748876

約数列:

[1, 2, 3, 4, 6, 12, 263, 526, 789, 1052, 1578, 3156, 519769, 1039538, 1559307, 2079076, 3118614, 6237228, 136699247, 273398494, 410097741, 546796988, 820195482, 1640390964]

約数ペア:

[(1, 1640390964), (2, 820195482), (3, 546796988), (4, 410097741), (6, 273398494), (12, 136699247), (263, 6237228), (526, 3118614), (789, 2079076), (1052, 1559307), (1578, 1039538), (3156, 519769)]