12866875

素因数分解:

$5^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1$

素因数の和:217

約数の個数: 40

約数和(自身を含む): 19568736

約数和(自身を除く): 6701861

約数列:

[1, 5, 7, 17, 25, 35, 85, 119, 125, 173, 175, 425, 595, 625, 865, 875, 1211, 2125, 2941, 2975, 4325, 4375, 6055, 10625, 14705, 14875, 20587, 21625, 30275, 73525, 74375, 102935, 108125, 151375, 367625, 514675, 756875, 1838125, 2573375, 12866875]

約数ペア:

[(1, 12866875), (5, 2573375), (7, 1838125), (17, 756875), (25, 514675), (35, 367625), (85, 151375), (119, 108125), (125, 102935), (173, 74375), (175, 73525), (425, 30275), (595, 21625), (625, 20587), (865, 14875), (875, 14705), (1211, 10625), (2125, 6055), (2941, 4375), (2975, 4325)]