128977010

素因数分解:

$2^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{163}}^1\times {\mathrm{1181}}^1$

素因数の和:1418

約数の個数: 32

約数和(自身を含む): 237269952

約数和(自身を除く): 108292942

約数列:

[1, 2, 5, 10, 67, 134, 163, 326, 335, 670, 815, 1181, 1630, 2362, 5905, 10921, 11810, 21842, 54605, 79127, 109210, 158254, 192503, 385006, 395635, 791270, 962515, 1925030, 12897701, 25795402, 64488505, 128977010]

約数ペア:

[(1, 128977010), (2, 64488505), (5, 25795402), (10, 12897701), (67, 1925030), (134, 962515), (163, 791270), (326, 395635), (335, 385006), (670, 192503), (815, 158254), (1181, 109210), (1630, 79127), (2362, 54605), (5905, 21842), (10921, 11810)]