77841490

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{127609}}^1$

素因数の和:127677

約数の個数: 16

約数和(自身を含む): 142412760

約数和(自身を除く): 64571270

約数列:

[1, 2, 5, 10, 61, 122, 305, 610, 127609, 255218, 638045, 1276090, 7784149, 15568298, 38920745, 77841490]

約数ペア:

[(1, 77841490), (2, 38920745), (5, 15568298), (10, 7784149), (61, 1276090), (122, 638045), (305, 255218), (610, 127609)]