87451978

素因数分解:

$2^1\times {\mathrm{17}}^2\times {\mathrm{71}}^1\times {\mathrm{2131}}^1$

素因数の和:2238

約数の個数: 24

約数和(自身を含む): 141377184

約数和(自身を除く): 53925206

約数列:

[1, 2, 17, 34, 71, 142, 289, 578, 1207, 2131, 2414, 4262, 20519, 36227, 41038, 72454, 151301, 302602, 615859, 1231718, 2572117, 5144234, 43725989, 87451978]

約数ペア:

[(1, 87451978), (2, 43725989), (17, 5144234), (34, 2572117), (71, 1231718), (142, 615859), (289, 302602), (578, 151301), (1207, 72454), (2131, 41038), (2414, 36227), (4262, 20519)]