251859218

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{1321}}^1\times {\mathrm{7333}}^1$

素因数の和:8669

約数の個数: 16

約数和(自身を含む): 407213016

約数和(自身を除く): 155353798

約数列:

[1, 2, 13, 26, 1321, 2642, 7333, 14666, 17173, 34346, 95329, 190658, 9686893, 19373786, 125929609, 251859218]

約数ペア:

[(1, 251859218), (2, 125929609), (13, 19373786), (26, 9686893), (1321, 190658), (2642, 95329), (7333, 34346), (14666, 17173)]