81512156

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{503}}^1$

素因数の和:674

約数の個数: 48

約数和(自身を含む): 162570240

約数和(自身を除く): 81058084

約数列:

[1, 2, 4, 11, 22, 29, 44, 58, 116, 127, 254, 319, 503, 508, 638, 1006, 1276, 1397, 2012, 2794, 3683, 5533, 5588, 7366, 11066, 14587, 14732, 22132, 29174, 40513, 58348, 63881, 81026, 127762, 160457, 162052, 255524, 320914, 641828, 702691, 1405382, 1852549, 2810764, 3705098, 7410196, 20378039, 40756078, 81512156]

約数ペア:

[(1, 81512156), (2, 40756078), (4, 20378039), (11, 7410196), (22, 3705098), (29, 2810764), (44, 1852549), (58, 1405382), (116, 702691), (127, 641828), (254, 320914), (319, 255524), (503, 162052), (508, 160457), (638, 127762), (1006, 81026), (1276, 63881), (1397, 58348), (2012, 40513), (2794, 29174), (3683, 22132), (5533, 14732), (5588, 14587), (7366, 11066)]