31131430

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{7649}}^1$

素因数の和:7704

約数の個数: 32

約数和(自身を含む): 62791200

約数和(自身を除く): 31659770

約数列:

[1, 2, 5, 10, 11, 22, 37, 55, 74, 110, 185, 370, 407, 814, 2035, 4070, 7649, 15298, 38245, 76490, 84139, 168278, 283013, 420695, 566026, 841390, 1415065, 2830130, 3113143, 6226286, 15565715, 31131430]

約数ペア:

[(1, 31131430), (2, 15565715), (5, 6226286), (10, 3113143), (11, 2830130), (22, 1415065), (37, 841390), (55, 566026), (74, 420695), (110, 283013), (185, 168278), (370, 84139), (407, 76490), (814, 38245), (2035, 15298), (4070, 7649)]