199914611

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{193}}^1$

素因数の和:375

約数の個数: 32

約数和(自身を含む): 236617920

約数和(自身を除く): 36703309

約数列:

[1, 13, 17, 43, 109, 193, 221, 559, 731, 1417, 1853, 2509, 3281, 4687, 8299, 9503, 21037, 24089, 42653, 60931, 79679, 107887, 141083, 273481, 357629, 904591, 1035827, 1834079, 4649177, 11759683, 15378047, 199914611]

約数ペア:

[(1, 199914611), (13, 15378047), (17, 11759683), (43, 4649177), (109, 1834079), (193, 1035827), (221, 904591), (559, 357629), (731, 273481), (1417, 141083), (1853, 107887), (2509, 79679), (3281, 60931), (4687, 42653), (8299, 24089), (9503, 21037)]