313048648

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{499}}^1\times {\mathrm{7129}}^1$

素因数の和:7645

約数の個数: 32

約数和(自身を含む): 641700000

約数和(自身を除く): 328651352

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 499, 998, 1996, 3992, 5489, 7129, 10978, 14258, 21956, 28516, 43912, 57032, 78419, 156838, 313676, 627352, 3557371, 7114742, 14229484, 28458968, 39131081, 78262162, 156524324, 313048648]

約数ペア:

[(1, 313048648), (2, 156524324), (4, 78262162), (8, 39131081), (11, 28458968), (22, 14229484), (44, 7114742), (88, 3557371), (499, 627352), (998, 313676), (1996, 156838), (3992, 78419), (5489, 57032), (7129, 43912), (10978, 28516), (14258, 21956)]