381412

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:171

約数の個数: 24

約数和(自身を含む): 725760

約数和(自身を除く): 344348

約数列:

[1, 2, 4, 17, 34, 68, 71, 79, 142, 158, 284, 316, 1207, 1343, 2414, 2686, 4828, 5372, 5609, 11218, 22436, 95353, 190706, 381412]

約数ペア:

[(1, 381412), (2, 190706), (4, 95353), (17, 22436), (34, 11218), (68, 5609), (71, 5372), (79, 4828), (142, 2686), (158, 2414), (284, 1343), (316, 1207)]