1389647324

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{2609}}^1\times {\mathrm{10243}}^1$

素因数の和:12869

約数の個数: 24

約数和(自身を含む): 2620210320

約数和(自身を除く): 1230562996

約数列:

[1, 2, 4, 13, 26, 52, 2609, 5218, 10243, 10436, 20486, 33917, 40972, 67834, 133159, 135668, 266318, 532636, 26723987, 53447974, 106895948, 347411831, 694823662, 1389647324]

約数ペア:

[(1, 1389647324), (2, 694823662), (4, 347411831), (13, 106895948), (26, 53447974), (52, 26723987), (2609, 532636), (5218, 266318), (10243, 135668), (10436, 133159), (20486, 67834), (33917, 40972)]