28421668

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{311}}^1$

素因数の和:424

約数の個数: 48

約数和(自身を含む): 57028608

約数和(自身を除く): 28606940

約数列:

[1, 2, 4, 11, 22, 31, 44, 62, 67, 124, 134, 268, 311, 341, 622, 682, 737, 1244, 1364, 1474, 2077, 2948, 3421, 4154, 6842, 8308, 9641, 13684, 19282, 20837, 22847, 38564, 41674, 45694, 83348, 91388, 106051, 212102, 229207, 424204, 458414, 645947, 916828, 1291894, 2583788, 7105417, 14210834, 28421668]

約数ペア:

[(1, 28421668), (2, 14210834), (4, 7105417), (11, 2583788), (22, 1291894), (31, 916828), (44, 645947), (62, 458414), (67, 424204), (124, 229207), (134, 212102), (268, 106051), (311, 91388), (341, 83348), (622, 45694), (682, 41674), (737, 38564), (1244, 22847), (1364, 20837), (1474, 19282), (2077, 13684), (2948, 9641), (3421, 8308), (4154, 6842)]