219876670

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1691359}}^1$

素因数の和:1691379

約数の個数: 16

約数和(自身を含む): 426222720

約数和(自身を除く): 206346050

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 1691359, 3382718, 8456795, 16913590, 21987667, 43975334, 109938335, 219876670]

約数ペア:

[(1, 219876670), (2, 109938335), (5, 43975334), (10, 21987667), (13, 16913590), (26, 8456795), (65, 3382718), (130, 1691359)]