12840406

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{173}}^1$

素因数の和:288

約数の個数: 32

約数和(自身を含む): 21422880

約数和(自身を除く): 8582474

約数列:

[1, 2, 17, 34, 37, 59, 74, 118, 173, 346, 629, 1003, 1258, 2006, 2183, 2941, 4366, 5882, 6401, 10207, 12802, 20414, 37111, 74222, 108817, 173519, 217634, 347038, 377659, 755318, 6420203, 12840406]

約数ペア:

[(1, 12840406), (2, 6420203), (17, 755318), (34, 377659), (37, 347038), (59, 217634), (74, 173519), (118, 108817), (173, 74222), (346, 37111), (629, 20414), (1003, 12802), (1258, 10207), (2006, 6401), (2183, 5882), (2941, 4366)]