646760972

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{13}}^2\times {\mathrm{7907}}^1$

素因数の和:7959

約数の個数: 54

約数和(自身を含む): 1347309684

約数和(自身を除く): 700548712

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 121, 143, 169, 242, 286, 338, 484, 572, 676, 1573, 1859, 3146, 3718, 6292, 7436, 7907, 15814, 20449, 31628, 40898, 81796, 86977, 102791, 173954, 205582, 347908, 411164, 956747, 1130701, 1336283, 1913494, 2261402, 2672566, 3826988, 4522804, 5345132, 12437711, 14699113, 24875422, 29398226, 49750844, 58796452, 161690243, 323380486, 646760972]

約数ペア:

[(1, 646760972), (2, 323380486), (4, 161690243), (11, 58796452), (13, 49750844), (22, 29398226), (26, 24875422), (44, 14699113), (52, 12437711), (121, 5345132), (143, 4522804), (169, 3826988), (242, 2672566), (286, 2261402), (338, 1913494), (484, 1336283), (572, 1130701), (676, 956747), (1573, 411164), (1859, 347908), (3146, 205582), (3718, 173954), (6292, 102791), (7436, 86977), (7907, 81796), (15814, 40898), (20449, 31628)]