1800202415

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{211}}^1\times {\mathrm{2543}}^1$

素因数の和:2831

約数の個数: 32

約数和(自身を含む): 2407560192

約数和(自身を除く): 607357777

約数列:

[1, 5, 11, 55, 61, 211, 305, 671, 1055, 2321, 2543, 3355, 11605, 12715, 12871, 27973, 64355, 139865, 141581, 155123, 536573, 707905, 775615, 1706353, 2682865, 5902303, 8531765, 29511515, 32730953, 163654765, 360040483, 1800202415]

約数ペア:

[(1, 1800202415), (5, 360040483), (11, 163654765), (55, 32730953), (61, 29511515), (211, 8531765), (305, 5902303), (671, 2682865), (1055, 1706353), (2321, 775615), (2543, 707905), (3355, 536573), (11605, 155123), (12715, 141581), (12871, 139865), (27973, 64355)]