1309538425

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{6841}}^1$

素因数の和:6914

約数の個数: 48

約数和(自身を含む): 1900433920

約数和(自身を除く): 590895495

約数列:

[1, 5, 13, 19, 25, 31, 65, 95, 155, 247, 325, 403, 475, 589, 775, 1235, 2015, 2945, 6175, 6841, 7657, 10075, 14725, 34205, 38285, 88933, 129979, 171025, 191425, 212071, 444665, 649895, 1060355, 1689727, 2223325, 2756923, 3249475, 4029349, 5301775, 8448635, 13784615, 20146745, 42243175, 52381537, 68923075, 100733725, 261907685, 1309538425]

約数ペア:

[(1, 1309538425), (5, 261907685), (13, 100733725), (19, 68923075), (25, 52381537), (31, 42243175), (65, 20146745), (95, 13784615), (155, 8448635), (247, 5301775), (325, 4029349), (403, 3249475), (475, 2756923), (589, 2223325), (775, 1689727), (1235, 1060355), (2015, 649895), (2945, 444665), (6175, 212071), (6841, 191425), (7657, 171025), (10075, 129979), (14725, 88933), (34205, 38285)]