398122179

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{50287}}^1$

素因数の和:50339

約数の個数: 32

約数和(自身を含む): 675870720

約数和(自身を除く): 277748541

約数列:

[1, 3, 7, 13, 21, 29, 39, 87, 91, 203, 273, 377, 609, 1131, 2639, 7917, 50287, 150861, 352009, 653731, 1056027, 1458323, 1961193, 4374969, 4576117, 10208261, 13728351, 18958199, 30624783, 56874597, 132707393, 398122179]

約数ペア:

[(1, 398122179), (3, 132707393), (7, 56874597), (13, 30624783), (21, 18958199), (29, 13728351), (39, 10208261), (87, 4576117), (91, 4374969), (203, 1961193), (273, 1458323), (377, 1056027), (609, 653731), (1131, 352009), (2639, 150861), (7917, 50287)]