213496504

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{66221}}^1$

素因数の和:66271

約数の個数: 32

約数和(自身を含む): 445011840

約数和(自身を除く): 231515336

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 124, 248, 403, 806, 1612, 3224, 66221, 132442, 264884, 529768, 860873, 1721746, 2052851, 3443492, 4105702, 6886984, 8211404, 16422808, 26687063, 53374126, 106748252, 213496504]

約数ペア:

[(1, 213496504), (2, 106748252), (4, 53374126), (8, 26687063), (13, 16422808), (26, 8211404), (31, 6886984), (52, 4105702), (62, 3443492), (104, 2052851), (124, 1721746), (248, 860873), (403, 529768), (806, 264884), (1612, 132442), (3224, 66221)]