166538665

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{409}}^1$

素因数の和:553

約数の個数: 32

約数和(自身を含む): 215377920

約数和(自身を除く): 48839255

約数列:

[1, 5, 31, 37, 71, 155, 185, 355, 409, 1147, 2045, 2201, 2627, 5735, 11005, 12679, 13135, 15133, 29039, 63395, 75665, 81437, 145195, 407185, 469123, 900209, 1074443, 2345615, 4501045, 5372215, 33307733, 166538665]

約数ペア:

[(1, 166538665), (5, 33307733), (31, 5372215), (37, 4501045), (71, 2345615), (155, 1074443), (185, 900209), (355, 469123), (409, 407185), (1147, 145195), (2045, 81437), (2201, 75665), (2627, 63395), (5735, 29039), (11005, 15133), (12679, 13135)]