256489146

素因数分解:

$2^1\times 3^3\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{2129}}^1$

素因数の和:2260

約数の個数: 64

約数和(自身を含む): 601171200

約数和(自身を除く): 344682054

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 46, 54, 69, 97, 138, 194, 207, 291, 414, 582, 621, 873, 1242, 1746, 2129, 2231, 2619, 4258, 4462, 5238, 6387, 6693, 12774, 13386, 19161, 20079, 38322, 40158, 48967, 57483, 60237, 97934, 114966, 120474, 146901, 206513, 293802, 413026, 440703, 619539, 881406, 1239078, 1322109, 1858617, 2644218, 3717234, 4749799, 5575851, 9499598, 11151702, 14249397, 28498794, 42748191, 85496382, 128244573, 256489146]

約数ペア:

[(1, 256489146), (2, 128244573), (3, 85496382), (6, 42748191), (9, 28498794), (18, 14249397), (23, 11151702), (27, 9499598), (46, 5575851), (54, 4749799), (69, 3717234), (97, 2644218), (138, 1858617), (194, 1322109), (207, 1239078), (291, 881406), (414, 619539), (582, 440703), (621, 413026), (873, 293802), (1242, 206513), (1746, 146901), (2129, 120474), (2231, 114966), (2619, 97934), (4258, 60237), (4462, 57483), (5238, 48967), (6387, 40158), (6693, 38322), (12774, 20079), (13386, 19161)]