665412

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{71}}^2$

素因数の和:160

約数の個数: 36

約数和(自身を含む): 1717968

約数和(自身を除く): 1052556

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 71, 132, 142, 213, 284, 426, 781, 852, 1562, 2343, 3124, 4686, 5041, 9372, 10082, 15123, 20164, 30246, 55451, 60492, 110902, 166353, 221804, 332706, 665412]

約数ペア:

[(1, 665412), (2, 332706), (3, 221804), (4, 166353), (6, 110902), (11, 60492), (12, 55451), (22, 30246), (33, 20164), (44, 15123), (66, 10082), (71, 9372), (132, 5041), (142, 4686), (213, 3124), (284, 2343), (426, 1562), (781, 852)]