289796885

素因数分解:

$5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{163}}^1\times {\mathrm{643}}^1$

素因数の和:897

約数の個数: 32

約数和(自身を含む): 405565440

約数和(自身を除く): 115768555

約数列:

[1, 5, 7, 35, 79, 163, 395, 553, 643, 815, 1141, 2765, 3215, 4501, 5705, 12877, 22505, 50797, 64385, 90139, 104809, 253985, 355579, 450695, 524045, 733663, 1777895, 3668315, 8279911, 41399555, 57959377, 289796885]

約数ペア:

[(1, 289796885), (5, 57959377), (7, 41399555), (35, 8279911), (79, 3668315), (163, 1777895), (395, 733663), (553, 524045), (643, 450695), (815, 355579), (1141, 253985), (2765, 104809), (3215, 90139), (4501, 64385), (5705, 50797), (12877, 22505)]