217966910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{353}}^1\times {\mathrm{8821}}^1$

素因数の和:9188

約数の個数: 32

約数和(自身を含む): 449710272

約数和(自身を除く): 231743362

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 353, 706, 1765, 2471, 3530, 4942, 8821, 12355, 17642, 24710, 44105, 61747, 88210, 123494, 308735, 617470, 3113813, 6227626, 15569065, 21796691, 31138130, 43593382, 108983455, 217966910]

約数ペア:

[(1, 217966910), (2, 108983455), (5, 43593382), (7, 31138130), (10, 21796691), (14, 15569065), (35, 6227626), (70, 3113813), (353, 617470), (706, 308735), (1765, 123494), (2471, 88210), (3530, 61747), (4942, 44105), (8821, 24710), (12355, 17642)]