31258876

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{269}}^1$

素因数の和:442

約数の個数: 48

約数和(自身を含む): 63504000

約数和(自身を除く): 32245124

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 139, 209, 269, 278, 418, 538, 556, 836, 1076, 1529, 2641, 2959, 3058, 5111, 5282, 5918, 6116, 10222, 10564, 11836, 20444, 29051, 37391, 56221, 58102, 74782, 112442, 116204, 149564, 224884, 411301, 710429, 822602, 1420858, 1645204, 2841716, 7814719, 15629438, 31258876]

約数ペア:

[(1, 31258876), (2, 15629438), (4, 7814719), (11, 2841716), (19, 1645204), (22, 1420858), (38, 822602), (44, 710429), (76, 411301), (139, 224884), (209, 149564), (269, 116204), (278, 112442), (418, 74782), (538, 58102), (556, 56221), (836, 37391), (1076, 29051), (1529, 20444), (2641, 11836), (2959, 10564), (3058, 10222), (5111, 6116), (5282, 5918)]