161231192018

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{3391}}^1$

素因数の和:3580

約数の個数: 96

約数和(自身を含む): 277811638272

約数和(自身を除く): 116580446254

約数列:

[1, 2, 13, 26, 41, 47, 73, 82, 94, 146, 169, 338, 533, 611, 949, 1066, 1222, 1898, 1927, 2993, 3391, 3431, 3854, 5986, 6782, 6862, 6929, 7943, 12337, 13858, 15886, 24674, 25051, 38909, 44083, 44603, 50102, 77818, 88166, 89206, 139031, 140671, 159377, 247543, 278062, 281342, 318754, 325663, 495086, 505817, 573079, 579839, 651326, 1011634, 1146158, 1159678, 1807403, 1828723, 2071901, 3218059, 3614806, 3657446, 4143802, 6436118, 6534457, 10149263, 11634521, 13068914, 20298526, 23269042, 23496239, 23773399, 26934713, 41834767, 46992478, 47546798, 53869426, 83669534, 84947941, 131940419, 151248773, 169895882, 263880838, 302497546, 477015361, 954030722, 1104323233, 1715225447, 1966234049, 2208646466, 3430450894, 3932468098, 6201199693, 12402399386, 80615596009, 161231192018]

約数ペア:

[(1, 161231192018), (2, 80615596009), (13, 12402399386), (26, 6201199693), (41, 3932468098), (47, 3430450894), (73, 2208646466), (82, 1966234049), (94, 1715225447), (146, 1104323233), (169, 954030722), (338, 477015361), (533, 302497546), (611, 263880838), (949, 169895882), (1066, 151248773), (1222, 131940419), (1898, 84947941), (1927, 83669534), (2993, 53869426), (3391, 47546798), (3431, 46992478), (3854, 41834767), (5986, 26934713), (6782, 23773399), (6862, 23496239), (6929, 23269042), (7943, 20298526), (12337, 13068914), (13858, 11634521), (15886, 10149263), (24674, 6534457), (25051, 6436118), (38909, 4143802), (44083, 3657446), (44603, 3614806), (50102, 3218059), (77818, 2071901), (88166, 1828723), (89206, 1807403), (139031, 1159678), (140671, 1146158), (159377, 1011634), (247543, 651326), (278062, 579839), (281342, 573079), (318754, 505817), (325663, 495086)]