28401776

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{136547}}^1$

素因数の和:136568

約数の個数: 20

約数和(自身を含む): 59261832

約数和(自身を除く): 30860056

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 136547, 273094, 546188, 1092376, 1775111, 2184752, 3550222, 7100444, 14200888, 28401776]

約数ペア:

[(1, 28401776), (2, 14200888), (4, 7100444), (8, 3550222), (13, 2184752), (16, 1775111), (26, 1092376), (52, 546188), (104, 273094), (208, 136547)]