80148908

素因数分解:

$2^2\times 7^2\times {\mathrm{408923}}^1$

素因数の和:408941

約数の個数: 18

約数和(自身を含む): 163160676

約数和(自身を除く): 83011768

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 408923, 817846, 1635692, 2862461, 5724922, 11449844, 20037227, 40074454, 80148908]

約数ペア:

[(1, 80148908), (2, 40074454), (4, 20037227), (7, 11449844), (14, 5724922), (28, 2862461), (49, 1635692), (98, 817846), (196, 408923)]