239139290

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{39139}}^1$

素因数の和:39206

約数の個数: 32

約数和(自身を含む): 473437440

約数和(自身を除く): 234298150

約数列:

[1, 2, 5, 10, 13, 26, 47, 65, 94, 130, 235, 470, 611, 1222, 3055, 6110, 39139, 78278, 195695, 391390, 508807, 1017614, 1839533, 2544035, 3679066, 5088070, 9197665, 18395330, 23913929, 47827858, 119569645, 239139290]

約数ペア:

[(1, 239139290), (2, 119569645), (5, 47827858), (10, 23913929), (13, 18395330), (26, 9197665), (47, 5088070), (65, 3679066), (94, 2544035), (130, 1839533), (235, 1017614), (470, 508807), (611, 391390), (1222, 195695), (3055, 78278), (6110, 39139)]