209938170

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{538303}}^1$

素因数の和:538326

約数の個数: 32

約数和(自身を含む): 542610432

約数和(自身を除く): 332672262

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 538303, 1076606, 1614909, 2691515, 3229818, 5383030, 6997939, 8074545, 13995878, 16149090, 20993817, 34989695, 41987634, 69979390, 104969085, 209938170]

約数ペア:

[(1, 209938170), (2, 104969085), (3, 69979390), (5, 41987634), (6, 34989695), (10, 20993817), (13, 16149090), (15, 13995878), (26, 8074545), (30, 6997939), (39, 5383030), (65, 3229818), (78, 2691515), (130, 1614909), (195, 1076606), (390, 538303)]