971384975

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{16901}}^1$

素因数の和:16952

約数の個数: 36

約数和(自身を含む): 1393738920

約数和(自身を除く): 422353945

約数列:

[1, 5, 11, 19, 25, 55, 95, 121, 209, 275, 475, 605, 1045, 2299, 3025, 5225, 11495, 16901, 57475, 84505, 185911, 321119, 422525, 929555, 1605595, 2045021, 3532309, 4647775, 8027975, 10225105, 17661545, 38855399, 51125525, 88307725, 194276995, 971384975]

約数ペア:

[(1, 971384975), (5, 194276995), (11, 88307725), (19, 51125525), (25, 38855399), (55, 17661545), (95, 10225105), (121, 8027975), (209, 4647775), (275, 3532309), (475, 2045021), (605, 1605595), (1045, 929555), (2299, 422525), (3025, 321119), (5225, 185911), (11495, 84505), (16901, 57475)]