247970170

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{397}}^1\times {\mathrm{8923}}^1$

素因数の和:9334

約数の個数: 32

約数和(自身を含む): 511452288

約数和(自身を除く): 263482118

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 397, 794, 1985, 2779, 3970, 5558, 8923, 13895, 17846, 27790, 44615, 62461, 89230, 124922, 312305, 624610, 3542431, 7084862, 17712155, 24797017, 35424310, 49594034, 123985085, 247970170]

約数ペア:

[(1, 247970170), (2, 123985085), (5, 49594034), (7, 35424310), (10, 24797017), (14, 17712155), (35, 7084862), (70, 3542431), (397, 624610), (794, 312305), (1985, 124922), (2779, 89230), (3970, 62461), (5558, 44615), (8923, 27790), (13895, 17846)]