13243285

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1$

素因数の和:106

約数の個数: 48

約数和(自身を含む): 19751040

約数和(自身を除く): 6507755

約数列:

[1, 5, 11, 19, 23, 29, 55, 95, 115, 145, 209, 253, 319, 361, 437, 551, 667, 1045, 1265, 1595, 1805, 2185, 2755, 3335, 3971, 4807, 6061, 7337, 8303, 10469, 12673, 19855, 24035, 30305, 36685, 41515, 52345, 63365, 91333, 115159, 139403, 240787, 456665, 575795, 697015, 1203935, 2648657, 13243285]

約数ペア:

[(1, 13243285), (5, 2648657), (11, 1203935), (19, 697015), (23, 575795), (29, 456665), (55, 240787), (95, 139403), (115, 115159), (145, 91333), (209, 63365), (253, 52345), (319, 41515), (361, 36685), (437, 30305), (551, 24035), (667, 19855), (1045, 12673), (1265, 10469), (1595, 8303), (1805, 7337), (2185, 6061), (2755, 4807), (3335, 3971)]