87123532

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{2207}}^1$

素因数の和:2421

約数の個数: 24

約数和(自身を含む): 155796480

約数和(自身を除く): 68672948

約数列:

[1, 2, 4, 71, 139, 142, 278, 284, 556, 2207, 4414, 8828, 9869, 19738, 39476, 156697, 306773, 313394, 613546, 626788, 1227092, 21780883, 43561766, 87123532]

約数ペア:

[(1, 87123532), (2, 43561766), (4, 21780883), (71, 1227092), (139, 626788), (142, 613546), (278, 313394), (284, 306773), (556, 156697), (2207, 39476), (4414, 19738), (8828, 9869)]