664650770

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{72481}}^1$

素因数の和:72626

約数の個数: 32

約数和(自身を含む): 1377737856

約数和(自身を除く): 713087086

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 131, 262, 655, 917, 1310, 1834, 4585, 9170, 72481, 144962, 362405, 507367, 724810, 1014734, 2536835, 5073670, 9495011, 18990022, 47475055, 66465077, 94950110, 132930154, 332325385, 664650770]

約数ペア:

[(1, 664650770), (2, 332325385), (5, 132930154), (7, 94950110), (10, 66465077), (14, 47475055), (35, 18990022), (70, 9495011), (131, 5073670), (262, 2536835), (655, 1014734), (917, 724810), (1310, 507367), (1834, 362405), (4585, 144962), (9170, 72481)]