636950015

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{409}}^1$

素因数の和:556

約数の個数: 48

約数和(自身を含む): 882352800

約数和(自身を除く): 245402785

約数列:

[1, 5, 13, 19, 65, 95, 97, 169, 247, 409, 485, 845, 1235, 1261, 1843, 2045, 3211, 5317, 6305, 7771, 9215, 16055, 16393, 23959, 26585, 38855, 39673, 69121, 81965, 101023, 119795, 198365, 311467, 345605, 505115, 515749, 753787, 1313299, 1557335, 2578745, 3768935, 6566495, 6704737, 9799231, 33523685, 48996155, 127390003, 636950015]

約数ペア:

[(1, 636950015), (5, 127390003), (13, 48996155), (19, 33523685), (65, 9799231), (95, 6704737), (97, 6566495), (169, 3768935), (247, 2578745), (409, 1557335), (485, 1313299), (845, 753787), (1235, 515749), (1261, 505115), (1843, 345605), (2045, 311467), (3211, 198365), (5317, 119795), (6305, 101023), (7771, 81965), (9215, 69121), (16055, 39673), (16393, 38855), (23959, 26585)]