15493075

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{193}}^1$

素因数の和:248

約数の個数: 36

約数和(自身を含む): 22011240

約数和(自身を除く): 6518165

約数列:

[1, 5, 13, 19, 25, 65, 95, 169, 193, 247, 325, 475, 845, 965, 1235, 2509, 3211, 3667, 4225, 4825, 6175, 12545, 16055, 18335, 32617, 47671, 62725, 80275, 91675, 163085, 238355, 619723, 815425, 1191775, 3098615, 15493075]

約数ペア:

[(1, 15493075), (5, 3098615), (13, 1191775), (19, 815425), (25, 619723), (65, 238355), (95, 163085), (169, 91675), (193, 80275), (247, 62725), (325, 47671), (475, 32617), (845, 18335), (965, 16055), (1235, 12545), (2509, 6175), (3211, 4825), (3667, 4225)]