78243728

素因数分解:

$2^4\times {\mathrm{251}}^1\times {\mathrm{19483}}^1$

素因数の和:19742

約数の個数: 20

約数和(自身を含む): 152209008

約数和(自身を除く): 73965280

約数列:

[1, 2, 4, 8, 16, 251, 502, 1004, 2008, 4016, 19483, 38966, 77932, 155864, 311728, 4890233, 9780466, 19560932, 39121864, 78243728]

約数ペア:

[(1, 78243728), (2, 39121864), (4, 19560932), (8, 9780466), (16, 4890233), (251, 311728), (502, 155864), (1004, 77932), (2008, 38966), (4016, 19483)]