643301615

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{307}}^1\times {\mathrm{1229}}^1$

素因数の和:1583

約数の個数: 32

約数和(自身を含む): 872847360

約数和(自身を除く): 229545745

約数列:

[1, 5, 11, 31, 55, 155, 307, 341, 1229, 1535, 1705, 3377, 6145, 9517, 13519, 16885, 38099, 47585, 67595, 104687, 190495, 377303, 419089, 523435, 1886515, 2095445, 4150333, 11696393, 20751665, 58481965, 128660323, 643301615]

約数ペア:

[(1, 643301615), (5, 128660323), (11, 58481965), (31, 20751665), (55, 11696393), (155, 4150333), (307, 2095445), (341, 1886515), (1229, 523435), (1535, 419089), (1705, 377303), (3377, 190495), (6145, 104687), (9517, 67595), (13519, 47585), (16885, 38099)]