317297648

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{639713}}^1$

素因数の和:639752

約数の個数: 20

約数和(自身を含む): 634596288

約数和(自身を除く): 317298640

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 639713, 1279426, 2558852, 5117704, 10235408, 19831103, 39662206, 79324412, 158648824, 317297648]

約数ペア:

[(1, 317297648), (2, 158648824), (4, 79324412), (8, 39662206), (16, 19831103), (31, 10235408), (62, 5117704), (124, 2558852), (248, 1279426), (496, 639713)]