81679216

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{1399}}^1$

素因数の和:1537

約数の個数: 40

約数和(自身を含む): 164052000

約数和(自身を除く): 82372784

約数列:

[1, 2, 4, 8, 16, 41, 82, 89, 164, 178, 328, 356, 656, 712, 1399, 1424, 2798, 3649, 5596, 7298, 11192, 14596, 22384, 29192, 57359, 58384, 114718, 124511, 229436, 249022, 458872, 498044, 917744, 996088, 1992176, 5104951, 10209902, 20419804, 40839608, 81679216]

約数ペア:

[(1, 81679216), (2, 40839608), (4, 20419804), (8, 10209902), (16, 5104951), (41, 1992176), (82, 996088), (89, 917744), (164, 498044), (178, 458872), (328, 249022), (356, 229436), (656, 124511), (712, 114718), (1399, 58384), (1424, 57359), (2798, 29192), (3649, 22384), (5596, 14596), (7298, 11192)]