31317948

素因数分解:

$2^2\times 3^3\times {\mathrm{409}}^1\times {\mathrm{709}}^1$

素因数の和:1131

約数の個数: 48

約数和(自身を含む): 81508000

約数和(自身を除く): 50190052

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 409, 709, 818, 1227, 1418, 1636, 2127, 2454, 2836, 3681, 4254, 4908, 6381, 7362, 8508, 11043, 12762, 14724, 19143, 22086, 25524, 38286, 44172, 76572, 289981, 579962, 869943, 1159924, 1739886, 2609829, 3479772, 5219658, 7829487, 10439316, 15658974, 31317948]

約数ペア:

[(1, 31317948), (2, 15658974), (3, 10439316), (4, 7829487), (6, 5219658), (9, 3479772), (12, 2609829), (18, 1739886), (27, 1159924), (36, 869943), (54, 579962), (108, 289981), (409, 76572), (709, 44172), (818, 38286), (1227, 25524), (1418, 22086), (1636, 19143), (2127, 14724), (2454, 12762), (2836, 11043), (3681, 8508), (4254, 7362), (4908, 6381)]