258575278

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{541}}^1\times {\mathrm{593}}^1$

素因数の和:1180

約数の個数: 32

約数和(自身を含む): 432698112

約数和(自身を除く): 174122834

約数列:

[1, 2, 13, 26, 31, 62, 403, 541, 593, 806, 1082, 1186, 7033, 7709, 14066, 15418, 16771, 18383, 33542, 36766, 218023, 238979, 320813, 436046, 477958, 641626, 4170569, 8341138, 9945203, 19890406, 129287639, 258575278]

約数ペア:

[(1, 258575278), (2, 129287639), (13, 19890406), (26, 9945203), (31, 8341138), (62, 4170569), (403, 641626), (541, 477958), (593, 436046), (806, 320813), (1082, 238979), (1186, 218023), (7033, 36766), (7709, 33542), (14066, 18383), (15418, 16771)]