221981512

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{421}}^1\times {\mathrm{3877}}^1$

素因数の和:4321

約数の個数: 32

約数和(自身を含む): 441859320

約数和(自身を除く): 219877808

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 421, 842, 1684, 3368, 3877, 7157, 7754, 14314, 15508, 28628, 31016, 57256, 65909, 131818, 263636, 527272, 1632217, 3264434, 6528868, 13057736, 27747689, 55495378, 110990756, 221981512]

約数ペア:

[(1, 221981512), (2, 110990756), (4, 55495378), (8, 27747689), (17, 13057736), (34, 6528868), (68, 3264434), (136, 1632217), (421, 527272), (842, 263636), (1684, 131818), (3368, 65909), (3877, 57256), (7157, 31016), (7754, 28628), (14314, 15508)]