238927690

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{389}}^1\times {\mathrm{3613}}^1$

素因数の和:4026

約数の個数: 32

約数和(自身を含む): 456665040

約数和(自身を除く): 217737350

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 389, 778, 1945, 3613, 3890, 6613, 7226, 13226, 18065, 33065, 36130, 61421, 66130, 122842, 307105, 614210, 1405457, 2810914, 7027285, 14054570, 23892769, 47785538, 119463845, 238927690]

約数ペア:

[(1, 238927690), (2, 119463845), (5, 47785538), (10, 23892769), (17, 14054570), (34, 7027285), (85, 2810914), (170, 1405457), (389, 614210), (778, 307105), (1945, 122842), (3613, 66130), (3890, 61421), (6613, 36130), (7226, 33065), (13226, 18065)]