686945690

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1013}}^1\times {\mathrm{3989}}^1$

素因数の和:5026

約数の個数: 32

約数和(自身を含む): 1310858640

約数和(自身を除く): 623912950

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 1013, 2026, 3989, 5065, 7978, 10130, 17221, 19945, 34442, 39890, 67813, 86105, 135626, 172210, 339065, 678130, 4040857, 8081714, 20204285, 40408570, 68694569, 137389138, 343472845, 686945690]

約数ペア:

[(1, 686945690), (2, 343472845), (5, 137389138), (10, 68694569), (17, 40408570), (34, 20204285), (85, 8081714), (170, 4040857), (1013, 678130), (2026, 339065), (3989, 172210), (5065, 135626), (7978, 86105), (10130, 67813), (17221, 39890), (19945, 34442)]