645200848

素因数分解:

$2^4\times {\mathrm{461}}^1\times {\mathrm{87473}}^1$

素因数の和:87942

約数の個数: 20

約数和(自身を含む): 1252802628

約数和(自身を除く): 607601780

約数列:

[1, 2, 4, 8, 16, 461, 922, 1844, 3688, 7376, 87473, 174946, 349892, 699784, 1399568, 40325053, 80650106, 161300212, 322600424, 645200848]

約数ペア:

[(1, 645200848), (2, 322600424), (4, 161300212), (8, 80650106), (16, 40325053), (461, 1399568), (922, 699784), (1844, 349892), (3688, 174946), (7376, 87473)]