28704568

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{211063}}^1$

素因数の和:211086

約数の個数: 16

約数和(自身を含む): 56987280

約数和(自身を除く): 28282712

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 211063, 422126, 844252, 1688504, 3588071, 7176142, 14352284, 28704568]

約数ペア:

[(1, 28704568), (2, 14352284), (4, 7176142), (8, 3588071), (17, 1688504), (34, 844252), (68, 422126), (136, 211063)]