78871572

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{1327}}^1$

素因数の和:1477

約数の個数: 72

約数和(自身を含む): 216559616

約数和(自身を除く): 137688044

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 127, 156, 234, 254, 381, 468, 508, 762, 1143, 1327, 1524, 1651, 2286, 2654, 3302, 3981, 4572, 4953, 5308, 6604, 7962, 9906, 11943, 14859, 15924, 17251, 19812, 23886, 29718, 34502, 47772, 51753, 59436, 69004, 103506, 155259, 168529, 207012, 310518, 337058, 505587, 621036, 674116, 1011174, 1516761, 2022348, 2190877, 3033522, 4381754, 6067044, 6572631, 8763508, 13145262, 19717893, 26290524, 39435786, 78871572]

約数ペア:

[(1, 78871572), (2, 39435786), (3, 26290524), (4, 19717893), (6, 13145262), (9, 8763508), (12, 6572631), (13, 6067044), (18, 4381754), (26, 3033522), (36, 2190877), (39, 2022348), (52, 1516761), (78, 1011174), (117, 674116), (127, 621036), (156, 505587), (234, 337058), (254, 310518), (381, 207012), (468, 168529), (508, 155259), (762, 103506), (1143, 69004), (1327, 59436), (1524, 51753), (1651, 47772), (2286, 34502), (2654, 29718), (3302, 23886), (3981, 19812), (4572, 17251), (4953, 15924), (5308, 14859), (6604, 11943), (7962, 9906)]