221065516

素因数分解:

$2^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{113}}^1\times {\mathrm{641}}^1$

素因数の和:874

約数の個数: 48

約数和(自身を含む): 450838080

約数和(自身を除く): 229772564

約数列:

[1, 2, 4, 7, 14, 28, 109, 113, 218, 226, 436, 452, 641, 763, 791, 1282, 1526, 1582, 2564, 3052, 3164, 4487, 8974, 12317, 17948, 24634, 49268, 69869, 72433, 86219, 139738, 144866, 172438, 279476, 289732, 344876, 489083, 507031, 978166, 1014062, 1956332, 2028124, 7895197, 15790394, 31580788, 55266379, 110532758, 221065516]

約数ペア:

[(1, 221065516), (2, 110532758), (4, 55266379), (7, 31580788), (14, 15790394), (28, 7895197), (109, 2028124), (113, 1956332), (218, 1014062), (226, 978166), (436, 507031), (452, 489083), (641, 344876), (763, 289732), (791, 279476), (1282, 172438), (1526, 144866), (1582, 139738), (2564, 86219), (3052, 72433), (3164, 69869), (4487, 49268), (8974, 24634), (12317, 17948)]