821769910

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{6321307}}^1$

素因数の和:6321327

約数の個数: 16

約数和(自身を含む): 1592969616

約数和(自身を除く): 771199706

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 6321307, 12642614, 31606535, 63213070, 82176991, 164353982, 410884955, 821769910]

約数ペア:

[(1, 821769910), (2, 410884955), (5, 164353982), (10, 82176991), (13, 63213070), (26, 31606535), (65, 12642614), (130, 6321307)]