90900065

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{239}}^1$

素因数の和:377

約数の個数: 32

約数和(自身を含む): 117849600

約数和(自身を除く): 26949535

約数列:

[1, 5, 29, 43, 61, 145, 215, 239, 305, 1195, 1247, 1769, 2623, 6235, 6931, 8845, 10277, 13115, 14579, 34655, 51385, 72895, 76067, 298033, 380335, 422791, 626897, 1490165, 2113955, 3134485, 18180013, 90900065]

約数ペア:

[(1, 90900065), (5, 18180013), (29, 3134485), (43, 2113955), (61, 1490165), (145, 626897), (215, 422791), (239, 380335), (305, 298033), (1195, 76067), (1247, 72895), (1769, 51385), (2623, 34655), (6235, 14579), (6931, 13115), (8845, 10277)]