51781675

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1$

素因数の和:244

約数の個数: 48

約数和(自身を含む): 74638080

約数和(自身を除く): 22856405

約数列:

[1, 5, 11, 25, 29, 43, 55, 145, 151, 215, 275, 319, 473, 725, 755, 1075, 1247, 1595, 1661, 2365, 3775, 4379, 6235, 6493, 7975, 8305, 11825, 13717, 21895, 31175, 32465, 41525, 48169, 68585, 71423, 109475, 162325, 188297, 240845, 342925, 357115, 941485, 1204225, 1785575, 2071267, 4707425, 10356335, 51781675]

約数ペア:

[(1, 51781675), (5, 10356335), (11, 4707425), (25, 2071267), (29, 1785575), (43, 1204225), (55, 941485), (145, 357115), (151, 342925), (215, 240845), (275, 188297), (319, 162325), (473, 109475), (725, 71423), (755, 68585), (1075, 48169), (1247, 41525), (1595, 32465), (1661, 31175), (2365, 21895), (3775, 13717), (4379, 11825), (6235, 8305), (6493, 7975)]