213781630

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{317}}^1\times {\mathrm{3967}}^1$

素因数の和:4308

約数の個数: 32

約数和(自身を含む): 408830976

約数和(自身を除く): 195049346

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 317, 634, 1585, 3170, 3967, 5389, 7934, 10778, 19835, 26945, 39670, 53890, 67439, 134878, 337195, 674390, 1257539, 2515078, 6287695, 12575390, 21378163, 42756326, 106890815, 213781630]

約数ペア:

[(1, 213781630), (2, 106890815), (5, 42756326), (10, 21378163), (17, 12575390), (34, 6287695), (85, 2515078), (170, 1257539), (317, 674390), (634, 337195), (1585, 134878), (3170, 67439), (3967, 53890), (5389, 39670), (7934, 26945), (10778, 19835)]