9901215905

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{386993}}^1$

素因数の和:387065

約数の個数: 32

約数和(自身を含む): 14711963904

約数和(自身を除く): 4810747999

約数列:

[1, 5, 7, 17, 35, 43, 85, 119, 215, 301, 595, 731, 1505, 3655, 5117, 25585, 386993, 1934965, 2708951, 6578881, 13544755, 16640699, 32894405, 46052167, 83203495, 116484893, 230260835, 282891883, 582424465, 1414459415, 1980243181, 9901215905]

約数ペア:

[(1, 9901215905), (5, 1980243181), (7, 1414459415), (17, 582424465), (35, 282891883), (43, 230260835), (85, 116484893), (119, 83203495), (215, 46052167), (301, 32894405), (595, 16640699), (731, 13544755), (1505, 6578881), (3655, 2708951), (5117, 1934965), (25585, 386993)]