81753128

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{1987}}^1$

素因数の和:2169

約数の個数: 32

約数和(自身を含む): 158642400

約数和(自身を除く): 76889272

約数列:

[1, 2, 4, 8, 37, 74, 139, 148, 278, 296, 556, 1112, 1987, 3974, 5143, 7948, 10286, 15896, 20572, 41144, 73519, 147038, 276193, 294076, 552386, 588152, 1104772, 2209544, 10219141, 20438282, 40876564, 81753128]

約数ペア:

[(1, 81753128), (2, 40876564), (4, 20438282), (8, 10219141), (37, 2209544), (74, 1104772), (139, 588152), (148, 552386), (278, 294076), (296, 276193), (556, 147038), (1112, 73519), (1987, 41144), (3974, 20572), (5143, 15896), (7948, 10286)]