67898090

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{1277}}^1$

素因数の和:1706

約数の個数: 32

約数和(自身を含む): 132042960

約数和(自身を除く): 64144870

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 409, 818, 1277, 2045, 2554, 4090, 5317, 6385, 10634, 12770, 16601, 26585, 33202, 53170, 83005, 166010, 522293, 1044586, 2611465, 5222930, 6789809, 13579618, 33949045, 67898090]

約数ペア:

[(1, 67898090), (2, 33949045), (5, 13579618), (10, 6789809), (13, 5222930), (26, 2611465), (65, 1044586), (130, 522293), (409, 166010), (818, 83005), (1277, 53170), (2045, 33202), (2554, 26585), (4090, 16601), (5317, 12770), (6385, 10634)]