158601905

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{17911}}^1$

素因数の和:17957

約数の個数: 32

約数和(自身を含む): 247615488

約数和(自身を除く): 89013583

約数列:

[1, 5, 7, 11, 23, 35, 55, 77, 115, 161, 253, 385, 805, 1265, 1771, 8855, 17911, 89555, 125377, 197021, 411953, 626885, 985105, 1379147, 2059765, 2883671, 4531483, 6895735, 14418355, 22657415, 31720381, 158601905]

約数ペア:

[(1, 158601905), (5, 31720381), (7, 22657415), (11, 14418355), (23, 6895735), (35, 4531483), (55, 2883671), (77, 2059765), (115, 1379147), (161, 985105), (253, 626885), (385, 411953), (805, 197021), (1265, 125377), (1771, 89555), (8855, 17911)]