68091868

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{197}}^1$

素因数の和:271

約数の個数: 72

約数和(自身を含む): 142968672

約数和(自身を除く): 74876804

約数列:

[1, 2, 4, 13, 17, 23, 26, 34, 46, 52, 68, 92, 197, 221, 289, 299, 391, 394, 442, 578, 598, 782, 788, 884, 1156, 1196, 1564, 2561, 3349, 3757, 4531, 5083, 5122, 6647, 6698, 7514, 9062, 10166, 10244, 13294, 13396, 15028, 18124, 20332, 26588, 43537, 56933, 58903, 77027, 86411, 87074, 113866, 117806, 154054, 172822, 174148, 227732, 235612, 308108, 345644, 740129, 1001351, 1309459, 1480258, 2002702, 2618918, 2960516, 4005404, 5237836, 17022967, 34045934, 68091868]

約数ペア:

[(1, 68091868), (2, 34045934), (4, 17022967), (13, 5237836), (17, 4005404), (23, 2960516), (26, 2618918), (34, 2002702), (46, 1480258), (52, 1309459), (68, 1001351), (92, 740129), (197, 345644), (221, 308108), (289, 235612), (299, 227732), (391, 174148), (394, 172822), (442, 154054), (578, 117806), (598, 113866), (782, 87074), (788, 86411), (884, 77027), (1156, 58903), (1196, 56933), (1564, 43537), (2561, 26588), (3349, 20332), (3757, 18124), (4531, 15028), (5083, 13396), (5122, 13294), (6647, 10244), (6698, 10166), (7514, 9062)]