327996890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{421}}^1\times {\mathrm{461}}^1$

素因数の和:915

約数の個数: 48

約数和(自身を含む): 642211416

約数和(自身を除く): 314214526

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 421, 461, 842, 845, 922, 1690, 2105, 2305, 4210, 4610, 5473, 5993, 10946, 11986, 27365, 29965, 54730, 59930, 71149, 77909, 142298, 155818, 194081, 355745, 388162, 389545, 711490, 779090, 970405, 1940810, 2523053, 5046106, 12615265, 25230530, 32799689, 65599378, 163998445, 327996890]

約数ペア:

[(1, 327996890), (2, 163998445), (5, 65599378), (10, 32799689), (13, 25230530), (26, 12615265), (65, 5046106), (130, 2523053), (169, 1940810), (338, 970405), (421, 779090), (461, 711490), (842, 389545), (845, 388162), (922, 355745), (1690, 194081), (2105, 155818), (2305, 142298), (4210, 77909), (4610, 71149), (5473, 59930), (5993, 54730), (10946, 29965), (11986, 27365)]