197874145

素因数分解:

$5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1\times {\mathrm{457}}^1$

素因数の和:697

約数の個数: 32

約数和(自身を含む): 276998400

約数和(自身を除く): 79124255

約数列:

[1, 5, 7, 35, 89, 139, 445, 457, 623, 695, 973, 2285, 3115, 3199, 4865, 12371, 15995, 40673, 61855, 63523, 86597, 203365, 284711, 317615, 432985, 444661, 1423555, 2223305, 5653547, 28267735, 39574829, 197874145]

約数ペア:

[(1, 197874145), (5, 39574829), (7, 28267735), (35, 5653547), (89, 2223305), (139, 1423555), (445, 444661), (457, 432985), (623, 317615), (695, 284711), (973, 203365), (2285, 86597), (3115, 63523), (3199, 61855), (4865, 40673), (12371, 15995)]