81183128

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{4789}}^1$

素因数の和:4971

約数の個数: 32

約数和(自身を含む): 164967600

約数和(自身を除く): 83784472

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 163, 326, 652, 1304, 2119, 4238, 4789, 8476, 9578, 16952, 19156, 38312, 62257, 124514, 249028, 498056, 780607, 1561214, 3122428, 6244856, 10147891, 20295782, 40591564, 81183128]

約数ペア:

[(1, 81183128), (2, 40591564), (4, 20295782), (8, 10147891), (13, 6244856), (26, 3122428), (52, 1561214), (104, 780607), (163, 498056), (326, 249028), (652, 124514), (1304, 62257), (2119, 38312), (4238, 19156), (4789, 16952), (8476, 9578)]