29991386

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{257}}^1$

素因数の和:398

約数の個数: 32

約数和(自身を含む): 49412160

約数和(自身を除く): 19420774

約数列:

[1, 2, 19, 37, 38, 74, 83, 166, 257, 514, 703, 1406, 1577, 3071, 3154, 4883, 6142, 9509, 9766, 19018, 21331, 42662, 58349, 116698, 180671, 361342, 405289, 789247, 810578, 1578494, 14995693, 29991386]

約数ペア:

[(1, 29991386), (2, 14995693), (19, 1578494), (37, 810578), (38, 789247), (74, 405289), (83, 361342), (166, 180671), (257, 116698), (514, 58349), (703, 42662), (1406, 21331), (1577, 19018), (3071, 9766), (3154, 9509), (4883, 6142)]