81995410

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{27241}}^1$

素因数の和:27298

約数の個数: 32

約数和(自身を含む): 172605312

約数和(自身を除く): 90609902

約数列:

[1, 2, 5, 7, 10, 14, 35, 43, 70, 86, 215, 301, 430, 602, 1505, 3010, 27241, 54482, 136205, 190687, 272410, 381374, 953435, 1171363, 1906870, 2342726, 5856815, 8199541, 11713630, 16399082, 40997705, 81995410]

約数ペア:

[(1, 81995410), (2, 40997705), (5, 16399082), (7, 11713630), (10, 8199541), (14, 5856815), (35, 2342726), (43, 1906870), (70, 1171363), (86, 953435), (215, 381374), (301, 272410), (430, 190687), (602, 136205), (1505, 54482), (3010, 27241)]