28254928

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{135841}}^1$

素因数の和:135862

約数の個数: 20

約数和(自身を含む): 58955428

約数和(自身を除く): 30700500

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 135841, 271682, 543364, 1086728, 1765933, 2173456, 3531866, 7063732, 14127464, 28254928]

約数ペア:

[(1, 28254928), (2, 14127464), (4, 7063732), (8, 3531866), (13, 2173456), (16, 1765933), (26, 1086728), (52, 543364), (104, 271682), (208, 135841)]