639804524

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{53087}}^1$

素因数の和:53245

約数の個数: 24

約数和(自身を含む): 1177279488

約数和(自身を除く): 537474964

約数列:

[1, 2, 4, 23, 46, 92, 131, 262, 524, 3013, 6026, 12052, 53087, 106174, 212348, 1221001, 2442002, 4884004, 6954397, 13908794, 27817588, 159951131, 319902262, 639804524]

約数ペア:

[(1, 639804524), (2, 319902262), (4, 159951131), (23, 27817588), (46, 13908794), (92, 6954397), (131, 4884004), (262, 2442002), (524, 1221001), (3013, 212348), (6026, 106174), (12052, 53087)]