389627836

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{105533}}^1$

素因数の和:105621

約数の個数: 24

約数和(自身を含む): 744647904

約数和(自身を除く): 355020068

約数列:

[1, 2, 4, 13, 26, 52, 71, 142, 284, 923, 1846, 3692, 105533, 211066, 422132, 1371929, 2743858, 5487716, 7492843, 14985686, 29971372, 97406959, 194813918, 389627836]

約数ペア:

[(1, 389627836), (2, 194813918), (4, 97406959), (13, 29971372), (26, 14985686), (52, 7492843), (71, 5487716), (142, 2743858), (284, 1371929), (923, 422132), (1846, 211066), (3692, 105533)]