291252247

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{173}}^1\times {\mathrm{193}}^1$

素因数の和:451

約数の個数: 32

約数和(自身を含む): 351602496

約数和(自身を除く): 60350249

約数列:

[1, 11, 13, 61, 143, 173, 193, 671, 793, 1903, 2123, 2249, 2509, 8723, 10553, 11773, 24739, 27599, 33389, 116083, 129503, 137189, 153049, 367279, 434057, 1509079, 1683539, 2036729, 4774627, 22404019, 26477477, 291252247]

約数ペア:

[(1, 291252247), (11, 26477477), (13, 22404019), (61, 4774627), (143, 2036729), (173, 1683539), (193, 1509079), (671, 434057), (793, 367279), (1903, 153049), (2123, 137189), (2249, 129503), (2509, 116083), (8723, 33389), (10553, 27599), (11773, 24739)]