664648712

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{912979}}^1$

素因数の和:913005

約数の個数: 32

約数和(自身を含む): 1533806400

約数和(自身を除く): 869157688

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 912979, 1825958, 3651916, 6390853, 7303832, 11868727, 12781706, 23737454, 25563412, 47474908, 51126824, 83081089, 94949816, 166162178, 332324356, 664648712]

約数ペア:

[(1, 664648712), (2, 332324356), (4, 166162178), (7, 94949816), (8, 83081089), (13, 51126824), (14, 47474908), (26, 25563412), (28, 23737454), (52, 12781706), (56, 11868727), (91, 7303832), (104, 6390853), (182, 3651916), (364, 1825958), (728, 912979)]