28409886

素因数分解:

$2^1\times 3^3\times {\mathrm{101}}^1\times {\mathrm{5209}}^1$

素因数の和:5321

約数の個数: 32

約数和(自身を含む): 63770400

約数和(自身を除く): 35360514

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 101, 202, 303, 606, 909, 1818, 2727, 5209, 5454, 10418, 15627, 31254, 46881, 93762, 140643, 281286, 526109, 1052218, 1578327, 3156654, 4734981, 9469962, 14204943, 28409886]

約数ペア:

[(1, 28409886), (2, 14204943), (3, 9469962), (6, 4734981), (9, 3156654), (18, 1578327), (27, 1052218), (54, 526109), (101, 281286), (202, 140643), (303, 93762), (606, 46881), (909, 31254), (1818, 15627), (2727, 10418), (5209, 5454)]