28565520464

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{137334233}}^1$

素因数の和:137334254

約数の個数: 20

約数和(自身を含む): 59603057556

約数和(自身を除く): 31037537092

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 137334233, 274668466, 549336932, 1098673864, 1785345029, 2197347728, 3570690058, 7141380116, 14282760232, 28565520464]

約数ペア:

[(1, 28565520464), (2, 14282760232), (4, 7141380116), (8, 3570690058), (13, 2197347728), (16, 1785345029), (26, 1098673864), (52, 549336932), (104, 274668466), (208, 137334233)]