16861975

素因数分解:

$5^2\times {\mathrm{13}}^3\times {\mathrm{307}}^1$

素因数の和:356

約数の個数: 24

約数和(自身を含む): 22724240

約数和(自身を除く): 5862265

約数列:

[1, 5, 13, 25, 65, 169, 307, 325, 845, 1535, 2197, 3991, 4225, 7675, 10985, 19955, 51883, 54925, 99775, 259415, 674479, 1297075, 3372395, 16861975]

約数ペア:

[(1, 16861975), (5, 3372395), (13, 1297075), (25, 674479), (65, 259415), (169, 99775), (307, 54925), (325, 51883), (845, 19955), (1535, 10985), (2197, 7675), (3991, 4225)]