646558130

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{991}}^1\times {\mathrm{1231}}^1$

素因数の和:2282

約数の個数: 32

約数和(自身を含む): 1187923968

約数和(自身を除く): 541365838

約数列:

[1, 2, 5, 10, 53, 106, 265, 530, 991, 1231, 1982, 2462, 4955, 6155, 9910, 12310, 52523, 65243, 105046, 130486, 262615, 326215, 525230, 652430, 1219921, 2439842, 6099605, 12199210, 64655813, 129311626, 323279065, 646558130]

約数ペア:

[(1, 646558130), (2, 323279065), (5, 129311626), (10, 64655813), (53, 12199210), (106, 6099605), (265, 2439842), (530, 1219921), (991, 652430), (1231, 525230), (1982, 326215), (2462, 262615), (4955, 130486), (6155, 105046), (9910, 65243), (12310, 52523)]