521978704

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{2509513}}^1$

素因数の和:2509534

約数の個数: 20

約数和(自身を含む): 1089129076

約数和(自身を除く): 567150372

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 2509513, 5019026, 10038052, 20076104, 32623669, 40152208, 65247338, 130494676, 260989352, 521978704]

約数ペア:

[(1, 521978704), (2, 260989352), (4, 130494676), (8, 65247338), (13, 40152208), (16, 32623669), (26, 20076104), (52, 10038052), (104, 5019026), (208, 2509513)]