259958010

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{666559}}^1$

素因数の和:666582

約数の個数: 32

約数和(自身を含む): 671892480

約数和(自身を除く): 411934470

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 666559, 1333118, 1999677, 3332795, 3999354, 6665590, 8665267, 9998385, 17330534, 19996770, 25995801, 43326335, 51991602, 86652670, 129979005, 259958010]

約数ペア:

[(1, 259958010), (2, 129979005), (3, 86652670), (5, 51991602), (6, 43326335), (10, 25995801), (13, 19996770), (15, 17330534), (26, 9998385), (30, 8665267), (39, 6665590), (65, 3999354), (78, 3332795), (130, 1999677), (195, 1333118), (390, 666559)]