81551210

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{36901}}^1$

素因数の和:36938

約数の個数: 32

約数和(自身を含む): 167387472

約数和(自身を除く): 85836262

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 442, 1105, 2210, 36901, 73802, 184505, 369010, 479713, 627317, 959426, 1254634, 2398565, 3136585, 4797130, 6273170, 8155121, 16310242, 40775605, 81551210]

約数ペア:

[(1, 81551210), (2, 40775605), (5, 16310242), (10, 8155121), (13, 6273170), (17, 4797130), (26, 3136585), (34, 2398565), (65, 1254634), (85, 959426), (130, 627317), (170, 479713), (221, 369010), (442, 184505), (1105, 73802), (2210, 36901)]