81743216

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{76253}}^1$

素因数の和:76328

約数の個数: 20

約数和(自身を含む): 160743432

約数和(自身を除く): 79000216

約数列:

[1, 2, 4, 8, 16, 67, 134, 268, 536, 1072, 76253, 152506, 305012, 610024, 1220048, 5108951, 10217902, 20435804, 40871608, 81743216]

約数ペア:

[(1, 81743216), (2, 40871608), (4, 20435804), (8, 10217902), (16, 5108951), (67, 1220048), (134, 610024), (268, 305012), (536, 152506), (1072, 76253)]