268587436

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{167}}^1\times {\mathrm{197}}^1$

素因数の和:538

約数の個数: 48

約数和(自身を含む): 515059776

約数和(自身を除く): 246472340

約数列:

[1, 2, 4, 13, 26, 52, 157, 167, 197, 314, 334, 394, 628, 668, 788, 2041, 2171, 2561, 4082, 4342, 5122, 8164, 8684, 10244, 26219, 30929, 32899, 52438, 61858, 65798, 104876, 123716, 131596, 340847, 402077, 427687, 681694, 804154, 855374, 1363388, 1608308, 1710748, 5165143, 10330286, 20660572, 67146859, 134293718, 268587436]

約数ペア:

[(1, 268587436), (2, 134293718), (4, 67146859), (13, 20660572), (26, 10330286), (52, 5165143), (157, 1710748), (167, 1608308), (197, 1363388), (314, 855374), (334, 804154), (394, 681694), (628, 427687), (668, 402077), (788, 340847), (2041, 131596), (2171, 123716), (2561, 104876), (4082, 65798), (4342, 61858), (5122, 52438), (8164, 32899), (8684, 30929), (10244, 26219)]