72881210

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{4817}}^1$

素因数の和:4930

約数の個数: 32

約数和(自身を含む): 140492880

約数和(自身を除く): 67611670

約数列:

[1, 2, 5, 10, 17, 34, 85, 89, 170, 178, 445, 890, 1513, 3026, 4817, 7565, 9634, 15130, 24085, 48170, 81889, 163778, 409445, 428713, 818890, 857426, 2143565, 4287130, 7288121, 14576242, 36440605, 72881210]

約数ペア:

[(1, 72881210), (2, 36440605), (5, 14576242), (10, 7288121), (17, 4287130), (34, 2143565), (85, 857426), (89, 818890), (170, 428713), (178, 409445), (445, 163778), (890, 81889), (1513, 48170), (3026, 24085), (4817, 15130), (7565, 9634)]