213691372

素因数分解:

$2^2\times {\mathrm{29}}^2\times {\mathrm{139}}^1\times {\mathrm{457}}^1$

素因数の和:658

約数の個数: 36

約数和(自身を含む): 390939640

約数和(自身を除く): 177248268

約数列:

[1, 2, 4, 29, 58, 116, 139, 278, 457, 556, 841, 914, 1682, 1828, 3364, 4031, 8062, 13253, 16124, 26506, 53012, 63523, 116899, 127046, 233798, 254092, 384337, 467596, 768674, 1537348, 1842167, 3684334, 7368668, 53422843, 106845686, 213691372]

約数ペア:

[(1, 213691372), (2, 106845686), (4, 53422843), (29, 7368668), (58, 3684334), (116, 1842167), (139, 1537348), (278, 768674), (457, 467596), (556, 384337), (841, 254092), (914, 233798), (1682, 127046), (1828, 116899), (3364, 63523), (4031, 53012), (8062, 26506), (13253, 16124)]