290221484

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{609709}}^1$

素因数の和:609737

約数の個数: 24

約数和(自身を含む): 614587680

約数和(自身を除く): 324366196

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 476, 609709, 1219418, 2438836, 4267963, 8535926, 10365053, 17071852, 20730106, 41460212, 72555371, 145110742, 290221484]

約数ペア:

[(1, 290221484), (2, 145110742), (4, 72555371), (7, 41460212), (14, 20730106), (17, 17071852), (28, 10365053), (34, 8535926), (68, 4267963), (119, 2438836), (238, 1219418), (476, 609709)]