128007152

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{87917}}^1$

素因数の和:87945

約数の個数: 40

約数和(自身を含む): 305251296

約数和(自身を除く): 177244144

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 87917, 175834, 351668, 615419, 703336, 1142921, 1230838, 1406672, 2285842, 2461676, 4571684, 4923352, 8000447, 9143368, 9846704, 16000894, 18286736, 32001788, 64003576, 128007152]

約数ペア:

[(1, 128007152), (2, 64003576), (4, 32001788), (7, 18286736), (8, 16000894), (13, 9846704), (14, 9143368), (16, 8000447), (26, 4923352), (28, 4571684), (52, 2461676), (56, 2285842), (91, 1406672), (104, 1230838), (112, 1142921), (182, 703336), (208, 615419), (364, 351668), (728, 175834), (1456, 87917)]