74804990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{2239}}^1$

素因数の和:2516

約数の個数: 32

約数和(自身を含む): 145635840

約数和(自身を除く): 70830850

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 257, 514, 1285, 2239, 2570, 3341, 4478, 6682, 11195, 16705, 22390, 29107, 33410, 58214, 145535, 291070, 575423, 1150846, 2877115, 5754230, 7480499, 14960998, 37402495, 74804990]

約数ペア:

[(1, 74804990), (2, 37402495), (5, 14960998), (10, 7480499), (13, 5754230), (26, 2877115), (65, 1150846), (130, 575423), (257, 291070), (514, 145535), (1285, 58214), (2239, 33410), (2570, 29107), (3341, 22390), (4478, 16705), (6682, 11195)]