78907075

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{2503}}^1$

素因数の和:2623

約数の個数: 24

約数和(自身を含む): 106500128

約数和(自身を除く): 27593053

約数列:

[1, 5, 13, 25, 65, 97, 325, 485, 1261, 2425, 2503, 6305, 12515, 31525, 32539, 62575, 162695, 242791, 813475, 1213955, 3156283, 6069775, 15781415, 78907075]

約数ペア:

[(1, 78907075), (5, 15781415), (13, 6069775), (25, 3156283), (65, 1213955), (97, 813475), (325, 242791), (485, 162695), (1261, 62575), (2425, 32539), (2503, 31525), (6305, 12515)]