12278890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{3257}}^1$

素因数の和:3306

約数の個数: 32

約数和(自身を含む): 24630480

約数和(自身を除く): 12351590

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 130, 145, 290, 377, 754, 1885, 3257, 3770, 6514, 16285, 32570, 42341, 84682, 94453, 188906, 211705, 423410, 472265, 944530, 1227889, 2455778, 6139445, 12278890]

約数ペア:

[(1, 12278890), (2, 6139445), (5, 2455778), (10, 1227889), (13, 944530), (26, 472265), (29, 423410), (58, 211705), (65, 188906), (130, 94453), (145, 84682), (290, 42341), (377, 32570), (754, 16285), (1885, 6514), (3257, 3770)]