13173221375

素因数分解:

$5^3\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{311}}^1\times {\mathrm{643}}^1$

素因数の和:1017

約数の個数: 64

約数和(自身を含む): 18054586368

約数和(自身を除く): 4881364993

約数列:

[1, 5, 17, 25, 31, 85, 125, 155, 311, 425, 527, 643, 775, 1555, 2125, 2635, 3215, 3875, 5287, 7775, 9641, 10931, 13175, 16075, 19933, 26435, 38875, 48205, 54655, 65875, 80375, 99665, 132175, 163897, 199973, 241025, 273275, 338861, 498325, 660875, 819485, 999865, 1205125, 1366375, 1694305, 2491625, 3399541, 4097425, 4999325, 6199163, 8471525, 16997705, 20487125, 24996625, 30995815, 42357625, 84988525, 105385771, 154979075, 424942625, 526928855, 774895375, 2634644275, 13173221375]

約数ペア:

[(1, 13173221375), (5, 2634644275), (17, 774895375), (25, 526928855), (31, 424942625), (85, 154979075), (125, 105385771), (155, 84988525), (311, 42357625), (425, 30995815), (527, 24996625), (643, 20487125), (775, 16997705), (1555, 8471525), (2125, 6199163), (2635, 4999325), (3215, 4097425), (3875, 3399541), (5287, 2491625), (7775, 1694305), (9641, 1366375), (10931, 1205125), (13175, 999865), (16075, 819485), (19933, 660875), (26435, 498325), (38875, 338861), (48205, 273275), (54655, 241025), (65875, 199973), (80375, 163897), (99665, 132175)]