209213147935

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1\times {\mathrm{542713}}^1$

素因数の和:542935

約数の個数: 32

約数和(自身を含む): 281968144128

約数和(自身を除く): 72754996193

約数列:

[1, 5, 11, 43, 55, 163, 215, 473, 815, 1793, 2365, 7009, 8965, 35045, 77099, 385495, 542713, 2713565, 5969843, 23336659, 29849215, 88462219, 116683295, 256703249, 442311095, 973084409, 1283516245, 3803875417, 4865422045, 19019377085, 41842629587, 209213147935]

約数ペア:

[(1, 209213147935), (5, 41842629587), (11, 19019377085), (43, 4865422045), (55, 3803875417), (163, 1283516245), (215, 973084409), (473, 442311095), (815, 256703249), (1793, 116683295), (2365, 88462219), (7009, 29849215), (8965, 23336659), (35045, 5969843), (77099, 2713565), (385495, 542713)]