71716990

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{3947}}^1$

素因数の和:4056

約数の個数: 32

約数和(自身を含む): 136442880

約数和(自身を除く): 64725890

約数列:

[1, 2, 5, 10, 23, 46, 79, 115, 158, 230, 395, 790, 1817, 3634, 3947, 7894, 9085, 18170, 19735, 39470, 90781, 181562, 311813, 453905, 623626, 907810, 1559065, 3118130, 7171699, 14343398, 35858495, 71716990]

約数ペア:

[(1, 71716990), (2, 35858495), (5, 14343398), (10, 7171699), (23, 3118130), (46, 1559065), (79, 907810), (115, 623626), (158, 453905), (230, 311813), (395, 181562), (790, 90781), (1817, 39470), (3634, 19735), (3947, 18170), (7894, 9085)]