1917678425

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{199}}^2$

素因数の和:570

約数の個数: 36

約数和(自身を含む): 2591045100

約数和(自身を除く): 673366675

約数列:

[1, 5, 13, 25, 65, 149, 199, 325, 745, 995, 1937, 2587, 3725, 4975, 9685, 12935, 29651, 39601, 48425, 64675, 148255, 198005, 385463, 514813, 741275, 990025, 1927315, 2574065, 5900549, 9636575, 12870325, 29502745, 76707137, 147513725, 383535685, 1917678425]

約数ペア:

[(1, 1917678425), (5, 383535685), (13, 147513725), (25, 76707137), (65, 29502745), (149, 12870325), (199, 9636575), (325, 5900549), (745, 2574065), (995, 1927315), (1937, 990025), (2587, 741275), (3725, 514813), (4975, 385463), (9685, 198005), (12935, 148255), (29651, 64675), (39601, 48425)]