12980690

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{2633}}^1$

素因数の和:2686

約数の個数: 32

約数和(自身を含む): 25602480

約数和(自身を除く): 12621790

約数列:

[1, 2, 5, 10, 17, 29, 34, 58, 85, 145, 170, 290, 493, 986, 2465, 2633, 4930, 5266, 13165, 26330, 44761, 76357, 89522, 152714, 223805, 381785, 447610, 763570, 1298069, 2596138, 6490345, 12980690]

約数ペア:

[(1, 12980690), (2, 6490345), (5, 2596138), (10, 1298069), (17, 763570), (29, 447610), (34, 381785), (58, 223805), (85, 152714), (145, 89522), (170, 76357), (290, 44761), (493, 26330), (986, 13165), (2465, 5266), (2633, 4930)]