207243355

素因数分解:

$5^1\times {\mathrm{11}}^4\times {\mathrm{19}}^1\times {\mathrm{149}}^1$

素因数の和:217

約数の個数: 40

約数和(自身を含む): 289890000

約数和(自身を除く): 82646645

約数列:

[1, 5, 11, 19, 55, 95, 121, 149, 209, 605, 745, 1045, 1331, 1639, 2299, 2831, 6655, 8195, 11495, 14155, 14641, 18029, 25289, 31141, 73205, 90145, 126445, 155705, 198319, 278179, 342551, 991595, 1390895, 1712755, 2181509, 3768061, 10907545, 18840305, 41448671, 207243355]

約数ペア:

[(1, 207243355), (5, 41448671), (11, 18840305), (19, 10907545), (55, 3768061), (95, 2181509), (121, 1712755), (149, 1390895), (209, 991595), (605, 342551), (745, 278179), (1045, 198319), (1331, 155705), (1639, 126445), (2299, 90145), (2831, 73205), (6655, 31141), (8195, 25289), (11495, 18029), (14155, 14641)]