15681842

素因数分解:

$2^1\times {\mathrm{11}}^3\times {\mathrm{43}}^1\times {\mathrm{137}}^1$

素因数の和:215

約数の個数: 32

約数和(自身を含む): 26668224

約数和(自身を除く): 10986382

約数列:

[1, 2, 11, 22, 43, 86, 121, 137, 242, 274, 473, 946, 1331, 1507, 2662, 3014, 5203, 5891, 10406, 11782, 16577, 33154, 57233, 64801, 114466, 129602, 182347, 364694, 712811, 1425622, 7840921, 15681842]

約数ペア:

[(1, 15681842), (2, 7840921), (11, 1425622), (22, 712811), (43, 364694), (86, 182347), (121, 129602), (137, 114466), (242, 64801), (274, 57233), (473, 33154), (946, 16577), (1331, 11782), (1507, 10406), (2662, 5891), (3014, 5203)]