217967335

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{1297}}^1$

素因数の和:1411

約数の個数: 32

約数和(自身を含む): 289713600

約数和(自身を除く): 71746265

約数列:

[1, 5, 19, 29, 61, 95, 145, 305, 551, 1159, 1297, 1769, 2755, 5795, 6485, 8845, 24643, 33611, 37613, 79117, 123215, 168055, 188065, 395585, 714647, 1503223, 2294393, 3573235, 7516115, 11471965, 43593467, 217967335]

約数ペア:

[(1, 217967335), (5, 43593467), (19, 11471965), (29, 7516115), (61, 3573235), (95, 2294393), (145, 1503223), (305, 714647), (551, 395585), (1159, 188065), (1297, 168055), (1769, 123215), (2755, 79117), (5795, 37613), (6485, 33611), (8845, 24643)]