259979278

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{5189}}^1$

素因数の和:5292

約数の個数: 32

約数和(自身を含む): 439447680

約数和(自身を除く): 179468402

約数列:

[1, 2, 13, 26, 41, 47, 82, 94, 533, 611, 1066, 1222, 1927, 3854, 5189, 10378, 25051, 50102, 67457, 134914, 212749, 243883, 425498, 487766, 2765737, 3170479, 5531474, 6340958, 9999203, 19998406, 129989639, 259979278]

約数ペア:

[(1, 259979278), (2, 129989639), (13, 19998406), (26, 9999203), (41, 6340958), (47, 5531474), (82, 3170479), (94, 2765737), (533, 487766), (611, 425498), (1066, 243883), (1222, 212749), (1927, 134914), (3854, 67457), (5189, 50102), (10378, 25051)]