78172886

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{1381}}^1$

素因数の和:1508

約数の個数: 32

約数和(自身を含む): 133733376

約数和(自身を除く): 55560490

約数列:

[1, 2, 11, 22, 31, 62, 83, 166, 341, 682, 913, 1381, 1826, 2573, 2762, 5146, 15191, 28303, 30382, 42811, 56606, 85622, 114623, 229246, 470921, 941842, 1260853, 2521706, 3553313, 7106626, 39086443, 78172886]

約数ペア:

[(1, 78172886), (2, 39086443), (11, 7106626), (22, 3553313), (31, 2521706), (62, 1260853), (83, 941842), (166, 470921), (341, 229246), (682, 114623), (913, 85622), (1381, 56606), (1826, 42811), (2573, 30382), (2762, 28303), (5146, 15191)]