212801615

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{4657}}^1$

素因数の和:4731

約数の個数: 32

約数和(自身を含む): 297366720

約数和(自身を除く): 84565105

約数列:

[1, 5, 13, 19, 37, 65, 95, 185, 247, 481, 703, 1235, 2405, 3515, 4657, 9139, 23285, 45695, 60541, 88483, 172309, 302705, 442415, 861545, 1150279, 2240017, 3273871, 5751395, 11200085, 16369355, 42560323, 212801615]

約数ペア:

[(1, 212801615), (5, 42560323), (13, 16369355), (19, 11200085), (37, 5751395), (65, 3273871), (95, 2240017), (185, 1150279), (247, 861545), (481, 442415), (703, 302705), (1235, 172309), (2405, 88483), (3515, 60541), (4657, 45695), (9139, 23285)]