13216420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{1409}}^1$

素因数の和:1492

約数の個数: 48

約数和(自身を含む): 32215680

約数和(自身を除く): 18999260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 67, 70, 134, 140, 268, 335, 469, 670, 938, 1340, 1409, 1876, 2345, 2818, 4690, 5636, 7045, 9380, 9863, 14090, 19726, 28180, 39452, 49315, 94403, 98630, 188806, 197260, 377612, 472015, 660821, 944030, 1321642, 1888060, 2643284, 3304105, 6608210, 13216420]

約数ペア:

[(1, 13216420), (2, 6608210), (4, 3304105), (5, 2643284), (7, 1888060), (10, 1321642), (14, 944030), (20, 660821), (28, 472015), (35, 377612), (67, 197260), (70, 188806), (134, 98630), (140, 94403), (268, 49315), (335, 39452), (469, 28180), (670, 19726), (938, 14090), (1340, 9863), (1409, 9380), (1876, 7045), (2345, 5636), (2818, 4690)]