28575664

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{137383}}^1$

素因数の和:137404

約数の個数: 20

約数和(自身を含む): 59624656

約数和(自身を除く): 31048992

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 137383, 274766, 549532, 1099064, 1785979, 2198128, 3571958, 7143916, 14287832, 28575664]

約数ペア:

[(1, 28575664), (2, 14287832), (4, 7143916), (8, 3571958), (13, 2198128), (16, 1785979), (26, 1099064), (52, 549532), (104, 274766), (208, 137383)]