28047136

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{67421}}^1$

素因数の和:67444

約数の個数: 24

約数和(自身を含む): 59466204

約数和(自身を除く): 31419068

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 67421, 134842, 269684, 539368, 876473, 1078736, 1752946, 2157472, 3505892, 7011784, 14023568, 28047136]

約数ペア:

[(1, 28047136), (2, 14023568), (4, 7011784), (8, 3505892), (13, 2157472), (16, 1752946), (26, 1078736), (32, 876473), (52, 539368), (104, 269684), (208, 134842), (416, 67421)]