15670991

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{239}}^1$

素因数の和:311

約数の個数: 32

約数和(自身を含む): 20736000

約数和(自身を除く): 5065009

約数列:

[1, 7, 17, 19, 29, 119, 133, 203, 239, 323, 493, 551, 1673, 2261, 3451, 3857, 4063, 4541, 6931, 9367, 28441, 31787, 48517, 65569, 77197, 117827, 131689, 540379, 824789, 921823, 2238713, 15670991]

約数ペア:

[(1, 15670991), (7, 2238713), (17, 921823), (19, 824789), (29, 540379), (119, 131689), (133, 117827), (203, 77197), (239, 65569), (323, 48517), (493, 31787), (551, 28441), (1673, 9367), (2261, 6931), (3451, 4541), (3857, 4063)]