129771425

素因数分解:

$5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1259}}^1$

素因数の和:1326

約数の個数: 48

約数和(自身を含む): 199987200

約数和(自身を除く): 70215775

約数列:

[1, 5, 7, 19, 25, 31, 35, 95, 133, 155, 175, 217, 475, 589, 665, 775, 1085, 1259, 2945, 3325, 4123, 5425, 6295, 8813, 14725, 20615, 23921, 31475, 39029, 44065, 103075, 119605, 167447, 195145, 220325, 273203, 598025, 741551, 837235, 975725, 1366015, 3707755, 4186175, 5190857, 6830075, 18538775, 25954285, 129771425]

約数ペア:

[(1, 129771425), (5, 25954285), (7, 18538775), (19, 6830075), (25, 5190857), (31, 4186175), (35, 3707755), (95, 1366015), (133, 975725), (155, 837235), (175, 741551), (217, 598025), (475, 273203), (589, 220325), (665, 195145), (775, 167447), (1085, 119605), (1259, 103075), (2945, 44065), (3325, 39029), (4123, 31475), (5425, 23921), (6295, 20615), (8813, 14725)]