82857985

素因数分解:

$5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{587}}^1$

素因数の和:745

約数の個数: 32

約数和(自身を含む): 117976320

約数和(自身を除く): 35118335

約数列:

[1, 5, 7, 35, 37, 109, 185, 259, 545, 587, 763, 1295, 2935, 3815, 4033, 4109, 20165, 20545, 21719, 28231, 63983, 108595, 141155, 152033, 319915, 447881, 760165, 2239405, 2367371, 11836855, 16571597, 82857985]

約数ペア:

[(1, 82857985), (5, 16571597), (7, 11836855), (35, 2367371), (37, 2239405), (109, 760165), (185, 447881), (259, 319915), (545, 152033), (587, 141155), (763, 108595), (1295, 63983), (2935, 28231), (3815, 21719), (4033, 20545), (4109, 20165)]