55131388

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1361}}^1$

素因数の和:1438

約数の個数: 48

約数和(自身を含む): 112119840

約数和(自身を除く): 56988452

約数列:

[1, 2, 4, 13, 19, 26, 38, 41, 52, 76, 82, 164, 247, 494, 533, 779, 988, 1066, 1361, 1558, 2132, 2722, 3116, 5444, 10127, 17693, 20254, 25859, 35386, 40508, 51718, 55801, 70772, 103436, 111602, 223204, 336167, 672334, 725413, 1060219, 1344668, 1450826, 2120438, 2901652, 4240876, 13782847, 27565694, 55131388]

約数ペア:

[(1, 55131388), (2, 27565694), (4, 13782847), (13, 4240876), (19, 2901652), (26, 2120438), (38, 1450826), (41, 1344668), (52, 1060219), (76, 725413), (82, 672334), (164, 336167), (247, 223204), (494, 111602), (533, 103436), (779, 70772), (988, 55801), (1066, 51718), (1361, 40508), (1558, 35386), (2132, 25859), (2722, 20254), (3116, 17693), (5444, 10127)]