68402945

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{571}}^1$

素因数の和:705

約数の個数: 32

約数和(自身を含む): 94174080

約数和(自身を除く): 25771135

約数列:

[1, 5, 13, 19, 65, 95, 97, 247, 485, 571, 1235, 1261, 1843, 2855, 6305, 7423, 9215, 10849, 23959, 37115, 54245, 55387, 119795, 141037, 276935, 705185, 720031, 1052353, 3600155, 5261765, 13680589, 68402945]

約数ペア:

[(1, 68402945), (5, 13680589), (13, 5261765), (19, 3600155), (65, 1052353), (95, 720031), (97, 705185), (247, 276935), (485, 141037), (571, 119795), (1235, 55387), (1261, 54245), (1843, 37115), (2855, 23959), (6305, 10849), (7423, 9215)]