28239508

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{251}}^1\times {\mathrm{2557}}^1$

素因数の和:2823

約数の個数: 24

約数和(自身を含む): 54147744

約数和(自身を除く): 25908236

約数列:

[1, 2, 4, 11, 22, 44, 251, 502, 1004, 2557, 2761, 5114, 5522, 10228, 11044, 28127, 56254, 112508, 641807, 1283614, 2567228, 7059877, 14119754, 28239508]

約数ペア:

[(1, 28239508), (2, 14119754), (4, 7059877), (11, 2567228), (22, 1283614), (44, 641807), (251, 112508), (502, 56254), (1004, 28127), (2557, 11044), (2761, 10228), (5114, 5522)]