81340428

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{607}}^1\times {\mathrm{859}}^1$

素因数の和:1486

約数の個数: 48

約数和(自身を含む): 204968960

約数和(自身を除く): 123628532

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 607, 859, 1214, 1718, 1821, 2428, 2577, 3436, 3642, 5154, 7284, 7891, 10308, 11167, 15782, 22334, 23673, 31564, 33501, 44668, 47346, 67002, 94692, 134004, 521413, 1042826, 1564239, 2085652, 3128478, 6256956, 6778369, 13556738, 20335107, 27113476, 40670214, 81340428]

約数ペア:

[(1, 81340428), (2, 40670214), (3, 27113476), (4, 20335107), (6, 13556738), (12, 6778369), (13, 6256956), (26, 3128478), (39, 2085652), (52, 1564239), (78, 1042826), (156, 521413), (607, 134004), (859, 94692), (1214, 67002), (1718, 47346), (1821, 44668), (2428, 33501), (2577, 31564), (3436, 23673), (3642, 22334), (5154, 15782), (7284, 11167), (7891, 10308)]