2798965

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{149}}^1$

素因数の和:201

約数の個数: 24

約数和(自身を含む): 3868200

約数和(自身を除く): 1069235

約数列:

[1, 5, 13, 17, 65, 85, 149, 221, 289, 745, 1105, 1445, 1937, 2533, 3757, 9685, 12665, 18785, 32929, 43061, 164645, 215305, 559793, 2798965]

約数ペア:

[(1, 2798965), (5, 559793), (13, 215305), (17, 164645), (65, 43061), (85, 32929), (149, 18785), (221, 12665), (289, 9685), (745, 3757), (1105, 2533), (1445, 1937)]