261879268

素因数分解:

$2^2\times 7^1\times {\mathrm{641}}^1\times {\mathrm{14591}}^1$

素因数の和:15243

約数の個数: 24

約数和(自身を含む): 524611584

約数和(自身を除く): 262732316

約数列:

[1, 2, 4, 7, 14, 28, 641, 1282, 2564, 4487, 8974, 14591, 17948, 29182, 58364, 102137, 204274, 408548, 9352831, 18705662, 37411324, 65469817, 130939634, 261879268]

約数ペア:

[(1, 261879268), (2, 130939634), (4, 65469817), (7, 37411324), (14, 18705662), (28, 9352831), (641, 408548), (1282, 204274), (2564, 102137), (4487, 58364), (8974, 29182), (14591, 17948)]