39781028

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{23291}}^1$

素因数の和:23363

約数の個数: 24

約数和(自身を含む): 80869824

約数和(自身を除く): 41088796

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 244, 427, 854, 1708, 23291, 46582, 93164, 163037, 326074, 652148, 1420751, 2841502, 5683004, 9945257, 19890514, 39781028]

約数ペア:

[(1, 39781028), (2, 19890514), (4, 9945257), (7, 5683004), (14, 2841502), (28, 1420751), (61, 652148), (122, 326074), (244, 163037), (427, 93164), (854, 46582), (1708, 23291)]