40409402

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{4513}}^1$

素因数の和:4574

約数の個数: 24

約数和(自身を含む): 68441268

約数和(自身を除く): 28031866

約数列:

[1, 2, 11, 22, 37, 74, 121, 242, 407, 814, 4477, 4513, 8954, 9026, 49643, 99286, 166981, 333962, 546073, 1092146, 1836791, 3673582, 20204701, 40409402]

約数ペア:

[(1, 40409402), (2, 20204701), (11, 3673582), (22, 1836791), (37, 1092146), (74, 546073), (121, 333962), (242, 166981), (407, 99286), (814, 49643), (4477, 9026), (4513, 8954)]