260261079

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{193}}^1\times {\mathrm{487}}^1$

素因数の和:767

約数の個数: 32

約数和(自身を含む): 381717504

約数和(自身を除く): 121456425

約数列:

[1, 3, 13, 39, 71, 193, 213, 487, 579, 923, 1461, 2509, 2769, 6331, 7527, 13703, 18993, 34577, 41109, 93991, 103731, 178139, 281973, 449501, 534417, 1221883, 1348503, 3665649, 6673361, 20020083, 86753693, 260261079]

約数ペア:

[(1, 260261079), (3, 86753693), (13, 20020083), (39, 6673361), (71, 3665649), (193, 1348503), (213, 1221883), (487, 534417), (579, 449501), (923, 281973), (1461, 178139), (2509, 103731), (2769, 93991), (6331, 41109), (7527, 34577), (13703, 18993)]