81805828

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{1013}}^1\times {\mathrm{1553}}^1$

素因数の和:2583

約数の個数: 24

約数和(自身を含む): 154424088

約数和(自身を除く): 72618260

約数列:

[1, 2, 4, 13, 26, 52, 1013, 1553, 2026, 3106, 4052, 6212, 13169, 20189, 26338, 40378, 52676, 80756, 1573189, 3146378, 6292756, 20451457, 40902914, 81805828]

約数ペア:

[(1, 81805828), (2, 40902914), (4, 20451457), (13, 6292756), (26, 3146378), (52, 1573189), (1013, 80756), (1553, 52676), (2026, 40378), (3106, 26338), (4052, 20189), (6212, 13169)]