78691697

素因数分解:

$7^2\times {\mathrm{53}}^1\times {\mathrm{157}}^1\times {\mathrm{193}}^1$

素因数の和:417

約数の個数: 24

約数和(自身を含む): 94346856

約数和(自身を除く): 15655159

約数列:

[1, 7, 49, 53, 157, 193, 371, 1099, 1351, 2597, 7693, 8321, 9457, 10229, 30301, 58247, 71603, 212107, 407729, 501221, 1484749, 1605953, 11241671, 78691697]

約数ペア:

[(1, 78691697), (7, 11241671), (49, 1605953), (53, 1484749), (157, 501221), (193, 407729), (371, 212107), (1099, 71603), (1351, 58247), (2597, 30301), (7693, 10229), (8321, 9457)]