4005404

素因数分解:

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

素因数の和:254

約数の個数: 48

約数和(自身を含む): 8382528

約数和(自身を除く): 4377124

約数列:

[1, 2, 4, 13, 17, 23, 26, 34, 46, 52, 68, 92, 197, 221, 299, 391, 394, 442, 598, 782, 788, 884, 1196, 1564, 2561, 3349, 4531, 5083, 5122, 6698, 9062, 10166, 10244, 13396, 18124, 20332, 43537, 58903, 77027, 87074, 117806, 154054, 174148, 235612, 308108, 1001351, 2002702, 4005404]

約数ペア:

[(1, 4005404), (2, 2002702), (4, 1001351), (13, 308108), (17, 235612), (23, 174148), (26, 154054), (34, 117806), (46, 87074), (52, 77027), (68, 58903), (92, 43537), (197, 20332), (221, 18124), (299, 13396), (391, 10244), (394, 10166), (442, 9062), (598, 6698), (782, 5122), (788, 5083), (884, 4531), (1196, 3349), (1564, 2561)]