268731665

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1\times {\mathrm{491}}^1$

素因数の和:697

約数の個数: 32

約数和(自身を含む): 351972864

約数和(自身を除く): 83241199

約数列:

[1, 5, 17, 47, 85, 137, 235, 491, 685, 799, 2329, 2455, 3995, 6439, 8347, 11645, 23077, 32195, 41735, 67267, 109463, 115385, 336335, 392309, 547315, 1143539, 1961545, 3161549, 5717695, 15807745, 53746333, 268731665]

約数ペア:

[(1, 268731665), (5, 53746333), (17, 15807745), (47, 5717695), (85, 3161549), (137, 1961545), (235, 1143539), (491, 547315), (685, 392309), (799, 336335), (2329, 115385), (2455, 109463), (3995, 67267), (6439, 41735), (8347, 32195), (11645, 23077)]