248972415

素因数分解:

$3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1\times {\mathrm{2543}}^1$

素因数の和:2719

約数の個数: 32

約数和(自身を含む): 408830976

約数和(自身を除く): 159858561

約数列:

[1, 3, 5, 15, 61, 107, 183, 305, 321, 535, 915, 1605, 2543, 6527, 7629, 12715, 19581, 32635, 38145, 97905, 155123, 272101, 465369, 775615, 816303, 1360505, 2326845, 4081515, 16598161, 49794483, 82990805, 248972415]

約数ペア:

[(1, 248972415), (3, 82990805), (5, 49794483), (15, 16598161), (61, 4081515), (107, 2326845), (183, 1360505), (305, 816303), (321, 775615), (535, 465369), (915, 272101), (1605, 155123), (2543, 97905), (6527, 38145), (7629, 32635), (12715, 19581)]