84785672

素因数分解:

$2^3\times {\mathrm{89}}^1\times {\mathrm{193}}^1\times {\mathrm{617}}^1$

素因数の和:905

約数の個数: 32

約数和(自身を含む): 161854200

約数和(自身を除く): 77068528

約数列:

[1, 2, 4, 8, 89, 178, 193, 356, 386, 617, 712, 772, 1234, 1544, 2468, 4936, 17177, 34354, 54913, 68708, 109826, 119081, 137416, 219652, 238162, 439304, 476324, 952648, 10598209, 21196418, 42392836, 84785672]

約数ペア:

[(1, 84785672), (2, 42392836), (4, 21196418), (8, 10598209), (89, 952648), (178, 476324), (193, 439304), (356, 238162), (386, 219652), (617, 137416), (712, 119081), (772, 109826), (1234, 68708), (1544, 54913), (2468, 34354), (4936, 17177)]