290469608

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{253907}}^1$

素因数の和:253937

約数の個数: 32

約数和(自身を含む): 639848160

約数和(自身を除く): 349378552

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 143, 286, 572, 1144, 253907, 507814, 1015628, 2031256, 2792977, 3300791, 5585954, 6601582, 11171908, 13203164, 22343816, 26406328, 36308701, 72617402, 145234804, 290469608]

約数ペア:

[(1, 290469608), (2, 145234804), (4, 72617402), (8, 36308701), (11, 26406328), (13, 22343816), (22, 13203164), (26, 11171908), (44, 6601582), (52, 5585954), (88, 3300791), (104, 2792977), (143, 2031256), (286, 1015628), (572, 507814), (1144, 253907)]