78517998

素因数分解:

$2^1\times 3^4\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1621}}^1$

素因数の和:1671

約数の個数: 80

約数和(自身を含む): 197832096

約数和(自身を除く): 119314098

約数列:

[1, 2, 3, 6, 9, 13, 18, 23, 26, 27, 39, 46, 54, 69, 78, 81, 117, 138, 162, 207, 234, 299, 351, 414, 598, 621, 702, 897, 1053, 1242, 1621, 1794, 1863, 2106, 2691, 3242, 3726, 4863, 5382, 8073, 9726, 14589, 16146, 21073, 24219, 29178, 37283, 42146, 43767, 48438, 63219, 74566, 87534, 111849, 126438, 131301, 189657, 223698, 262602, 335547, 379314, 484679, 568971, 671094, 969358, 1006641, 1137942, 1454037, 1706913, 2013282, 2908074, 3019923, 3413826, 4362111, 6039846, 8724222, 13086333, 26172666, 39258999, 78517998]

約数ペア:

[(1, 78517998), (2, 39258999), (3, 26172666), (6, 13086333), (9, 8724222), (13, 6039846), (18, 4362111), (23, 3413826), (26, 3019923), (27, 2908074), (39, 2013282), (46, 1706913), (54, 1454037), (69, 1137942), (78, 1006641), (81, 969358), (117, 671094), (138, 568971), (162, 484679), (207, 379314), (234, 335547), (299, 262602), (351, 223698), (414, 189657), (598, 131301), (621, 126438), (702, 111849), (897, 87534), (1053, 74566), (1242, 63219), (1621, 48438), (1794, 43767), (1863, 42146), (2106, 37283), (2691, 29178), (3242, 24219), (3726, 21073), (4863, 16146), (5382, 14589), (8073, 9726)]