664621570

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1447}}^1\times {\mathrm{1997}}^1$

素因数の和:3474

約数の個数: 32

約数和(自身を含む): 1249820928

約数和(自身を除く): 585199358

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 1447, 1997, 2894, 3994, 7235, 9985, 14470, 19970, 33281, 45931, 66562, 91862, 166405, 229655, 332810, 459310, 2889659, 5779318, 14448295, 28896590, 66462157, 132924314, 332310785, 664621570]

約数ペア:

[(1, 664621570), (2, 332310785), (5, 132924314), (10, 66462157), (23, 28896590), (46, 14448295), (115, 5779318), (230, 2889659), (1447, 459310), (1997, 332810), (2894, 229655), (3994, 166405), (7235, 91862), (9985, 66562), (14470, 45931), (19970, 33281)]