128721876

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{313}}^1\times {\mathrm{797}}^1$

素因数の和:1160

約数の個数: 48

約数和(自身を含む): 308704704

約数和(自身を除く): 179982828

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 172, 258, 313, 516, 626, 797, 939, 1252, 1594, 1878, 2391, 3188, 3756, 4782, 9564, 13459, 26918, 34271, 40377, 53836, 68542, 80754, 102813, 137084, 161508, 205626, 249461, 411252, 498922, 748383, 997844, 1496766, 2993532, 10726823, 21453646, 32180469, 42907292, 64360938, 128721876]

約数ペア:

[(1, 128721876), (2, 64360938), (3, 42907292), (4, 32180469), (6, 21453646), (12, 10726823), (43, 2993532), (86, 1496766), (129, 997844), (172, 748383), (258, 498922), (313, 411252), (516, 249461), (626, 205626), (797, 161508), (939, 137084), (1252, 102813), (1594, 80754), (1878, 68542), (2391, 53836), (3188, 40377), (3756, 34271), (4782, 26918), (9564, 13459)]