259936378

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{2671}}^1$

素因数の和:2902

約数の個数: 32

約数和(自身を含む): 444407040

約数和(自身を除く): 184470662

約数列:

[1, 2, 13, 19, 26, 38, 197, 247, 394, 494, 2561, 2671, 3743, 5122, 5342, 7486, 34723, 48659, 50749, 69446, 97318, 101498, 526187, 659737, 1052374, 1319474, 6840431, 9997553, 13680862, 19995106, 129968189, 259936378]

約数ペア:

[(1, 259936378), (2, 129968189), (13, 19995106), (19, 13680862), (26, 9997553), (38, 6840431), (197, 1319474), (247, 1052374), (394, 659737), (494, 526187), (2561, 101498), (2671, 97318), (3743, 69446), (5122, 50749), (5342, 48659), (7486, 34723)]