28221128

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{271357}}^1$

素因数の和:271376

約数の個数: 16

約数和(自身を含む): 56985180

約数和(自身を除く): 28764052

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 271357, 542714, 1085428, 2170856, 3527641, 7055282, 14110564, 28221128]

約数ペア:

[(1, 28221128), (2, 14110564), (4, 7055282), (8, 3527641), (13, 2170856), (26, 1085428), (52, 542714), (104, 271357)]