158358145

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{173}}^1$

素因数の和:306

約数の個数: 48

約数和(自身を含む): 224940240

約数和(自身を除く): 66582095

約数列:

[1, 5, 11, 17, 55, 85, 89, 121, 173, 187, 445, 605, 865, 935, 979, 1513, 1903, 2057, 2941, 4895, 7565, 9515, 10285, 10769, 14705, 15397, 16643, 20933, 32351, 53845, 76985, 83215, 104665, 161755, 169367, 183073, 261749, 355861, 846835, 915365, 1308745, 1779305, 1863037, 2879239, 9315185, 14396195, 31671629, 158358145]

約数ペア:

[(1, 158358145), (5, 31671629), (11, 14396195), (17, 9315185), (55, 2879239), (85, 1863037), (89, 1779305), (121, 1308745), (173, 915365), (187, 846835), (445, 355861), (605, 261749), (865, 183073), (935, 169367), (979, 161755), (1513, 104665), (1903, 83215), (2057, 76985), (2941, 53845), (4895, 32351), (7565, 20933), (9515, 16643), (10285, 15397), (10769, 14705)]