28388932

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1601}}^1$

素因数の和:1660

約数の個数: 48

約数和(自身を含む): 60286464

約数和(自身を除く): 31897532

約数列:

[1, 2, 4, 11, 13, 22, 26, 31, 44, 52, 62, 124, 143, 286, 341, 403, 572, 682, 806, 1364, 1601, 1612, 3202, 4433, 6404, 8866, 17611, 17732, 20813, 35222, 41626, 49631, 70444, 83252, 99262, 198524, 228943, 457886, 545941, 645203, 915772, 1091882, 1290406, 2183764, 2580812, 7097233, 14194466, 28388932]

約数ペア:

[(1, 28388932), (2, 14194466), (4, 7097233), (11, 2580812), (13, 2183764), (22, 1290406), (26, 1091882), (31, 915772), (44, 645203), (52, 545941), (62, 457886), (124, 228943), (143, 198524), (286, 99262), (341, 83252), (403, 70444), (572, 49631), (682, 41626), (806, 35222), (1364, 20813), (1601, 17732), (1612, 17611), (3202, 8866), (4433, 6404)]