218572016

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{983}}^1\times {\mathrm{1069}}^1$

素因数の和:2073

約数の個数: 40

約数和(自身を含む): 456949920

約数和(自身を除く): 238377904

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 983, 1069, 1966, 2138, 3932, 4276, 7864, 8552, 12779, 13897, 15728, 17104, 25558, 27794, 51116, 55588, 102232, 111176, 204464, 222352, 1050827, 2101654, 4203308, 8406616, 13660751, 16813232, 27321502, 54643004, 109286008, 218572016]

約数ペア:

[(1, 218572016), (2, 109286008), (4, 54643004), (8, 27321502), (13, 16813232), (16, 13660751), (26, 8406616), (52, 4203308), (104, 2101654), (208, 1050827), (983, 222352), (1069, 204464), (1966, 111176), (2138, 102232), (3932, 55588), (4276, 51116), (7864, 27794), (8552, 25558), (12779, 17104), (13897, 15728)]