2607605

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{521}}^1$

素因数の和:557

約数の個数: 32

約数和(自身を含む): 4209408

約数和(自身を除く): 1601803

約数列:

[1, 5, 7, 11, 13, 35, 55, 65, 77, 91, 143, 385, 455, 521, 715, 1001, 2605, 3647, 5005, 5731, 6773, 18235, 28655, 33865, 40117, 47411, 74503, 200585, 237055, 372515, 521521, 2607605]

約数ペア:

[(1, 2607605), (5, 521521), (7, 372515), (11, 237055), (13, 200585), (35, 74503), (55, 47411), (65, 40117), (77, 33865), (91, 28655), (143, 18235), (385, 6773), (455, 5731), (521, 5005), (715, 3647), (1001, 2605)]