2009671690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{672131}}^1$

素因数の和:672174

約数の個数: 32

約数和(自身を含む): 4065054336

約数和(自身を除く): 2055382646

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 115, 130, 230, 299, 598, 1495, 2990, 672131, 1344262, 3360655, 6721310, 8737703, 15459013, 17475406, 30918026, 43688515, 77295065, 87377030, 154590130, 200967169, 401934338, 1004835845, 2009671690]

約数ペア:

[(1, 2009671690), (2, 1004835845), (5, 401934338), (10, 200967169), (13, 154590130), (23, 87377030), (26, 77295065), (46, 43688515), (65, 30918026), (115, 17475406), (130, 15459013), (230, 8737703), (299, 6721310), (598, 3360655), (1495, 1344262), (2990, 672131)]