278314316

素因数分解:

$2^2\times 7^4\times {\mathrm{28979}}^1$

素因数の和:29011

約数の個数: 30

約数和(自身を含む): 568210860

約数和(自身を除く): 289896544

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 343, 686, 1372, 2401, 4802, 9604, 28979, 57958, 115916, 202853, 405706, 811412, 1419971, 2839942, 5679884, 9939797, 19879594, 39759188, 69578579, 139157158, 278314316]

約数ペア:

[(1, 278314316), (2, 139157158), (4, 69578579), (7, 39759188), (14, 19879594), (28, 9939797), (49, 5679884), (98, 2839942), (196, 1419971), (343, 811412), (686, 405706), (1372, 202853), (2401, 115916), (4802, 57958), (9604, 28979)]