78216848

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{119233}}^1$

素因数の和:119282

約数の個数: 20

約数和(自身を含む): 155242668

約数和(自身を除く): 77025820

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 119233, 238466, 476932, 953864, 1907728, 4888553, 9777106, 19554212, 39108424, 78216848]

約数ペア:

[(1, 78216848), (2, 39108424), (4, 19554212), (8, 9777106), (16, 4888553), (41, 1907728), (82, 953864), (164, 476932), (328, 238466), (656, 119233)]