81847936

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{20627}}^1$

素因数の和:20672

約数の個数: 32

約数和(自身を含む): 168324480

約数和(自身を除く): 86476544

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 496, 992, 1984, 3968, 20627, 41254, 82508, 165016, 330032, 639437, 660064, 1278874, 1320128, 2557748, 2640256, 5115496, 10230992, 20461984, 40923968, 81847936]

約数ペア:

[(1, 81847936), (2, 40923968), (4, 20461984), (8, 10230992), (16, 5115496), (31, 2640256), (32, 2557748), (62, 1320128), (64, 1278874), (124, 660064), (128, 639437), (248, 330032), (496, 165016), (992, 82508), (1984, 41254), (3968, 20627)]