31419670

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{821}}^1$

素因数の和:960

約数の個数: 32

約数和(自身を含む): 58592160

約数和(自身を除く): 27172490

約数列:

[1, 2, 5, 10, 43, 86, 89, 178, 215, 430, 445, 821, 890, 1642, 3827, 4105, 7654, 8210, 19135, 35303, 38270, 70606, 73069, 146138, 176515, 353030, 365345, 730690, 3141967, 6283934, 15709835, 31419670]

約数ペア:

[(1, 31419670), (2, 15709835), (5, 6283934), (10, 3141967), (43, 730690), (86, 365345), (89, 353030), (178, 176515), (215, 146138), (430, 73069), (445, 70606), (821, 38270), (890, 35303), (1642, 19135), (3827, 8210), (4105, 7654)]