66735970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{3989}}^1$

素因数の和:4242

約数の個数: 32

約数和(自身を含む): 137894400

約数和(自身を除く): 71158430

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 239, 478, 1195, 1673, 2390, 3346, 3989, 7978, 8365, 16730, 19945, 27923, 39890, 55846, 139615, 279230, 953371, 1906742, 4766855, 6673597, 9533710, 13347194, 33367985, 66735970]

約数ペア:

[(1, 66735970), (2, 33367985), (5, 13347194), (7, 9533710), (10, 6673597), (14, 4766855), (35, 1906742), (70, 953371), (239, 279230), (478, 139615), (1195, 55846), (1673, 39890), (2390, 27923), (3346, 19945), (3989, 16730), (7978, 8365)]