25209018

素因数分解:

$2^1\times 3^2\times {\mathrm{67}}^1\times {\mathrm{20903}}^1$

素因数の和:20978

約数の個数: 24

約数和(自身を含む): 55437408

約数和(自身を除く): 30228390

約数列:

[1, 2, 3, 6, 9, 18, 67, 134, 201, 402, 603, 1206, 20903, 41806, 62709, 125418, 188127, 376254, 1400501, 2801002, 4201503, 8403006, 12604509, 25209018]

約数ペア:

[(1, 25209018), (2, 12604509), (3, 8403006), (6, 4201503), (9, 2801002), (18, 1400501), (67, 376254), (134, 188127), (201, 125418), (402, 62709), (603, 41806), (1206, 20903)]