156720907216

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{315969571}}^1$

素因数の和:315969610

約数の個数: 20

約数和(自身を含む): 313441815424

約数和(自身を除く): 156720908208

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 315969571, 631939142, 1263878284, 2527756568, 5055513136, 9795056701, 19590113402, 39180226804, 78360453608, 156720907216]

約数ペア:

[(1, 156720907216), (2, 78360453608), (4, 39180226804), (8, 19590113402), (16, 9795056701), (31, 5055513136), (62, 2527756568), (124, 1263878284), (248, 631939142), (496, 315969571)]