51243745

素因数分解:

$5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{431}}^1$

素因数の和:565

約数の個数: 32

約数和(自身を含む): 72990720

約数和(自身を除く): 21746975

約数列:

[1, 5, 7, 35, 43, 79, 215, 301, 395, 431, 553, 1505, 2155, 2765, 3017, 3397, 15085, 16985, 18533, 23779, 34049, 92665, 118895, 129731, 170245, 238343, 648655, 1191715, 1464107, 7320535, 10248749, 51243745]

約数ペア:

[(1, 51243745), (5, 10248749), (7, 7320535), (35, 1464107), (43, 1191715), (79, 648655), (215, 238343), (301, 170245), (395, 129731), (431, 118895), (553, 92665), (1505, 34049), (2155, 23779), (2765, 18533), (3017, 16985), (3397, 15085)]