198778855

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{853}}^1$

素因数の和:1111

約数の個数: 32

約数和(自身を含む): 275466240

約数和(自身を除く): 76687385

約数列:

[1, 5, 11, 19, 55, 95, 209, 223, 853, 1045, 1115, 2453, 4237, 4265, 9383, 12265, 16207, 21185, 46607, 46915, 81035, 178277, 190219, 233035, 891385, 951095, 2092409, 3614161, 10462045, 18070805, 39755771, 198778855]

約数ペア:

[(1, 198778855), (5, 39755771), (11, 18070805), (19, 10462045), (55, 3614161), (95, 2092409), (209, 951095), (223, 891385), (853, 233035), (1045, 190219), (1115, 178277), (2453, 81035), (4237, 46915), (4265, 46607), (9383, 21185), (12265, 16207)]