81420816

素因数分解:

$2^4\times 3^1\times {\mathrm{317}}^1\times {\mathrm{5351}}^1$

素因数の和:5679

約数の個数: 40

約数和(自身を含む): 211040064

約数和(自身を除く): 129619248

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 317, 634, 951, 1268, 1902, 2536, 3804, 5072, 5351, 7608, 10702, 15216, 16053, 21404, 32106, 42808, 64212, 85616, 128424, 256848, 1696267, 3392534, 5088801, 6785068, 10177602, 13570136, 20355204, 27140272, 40710408, 81420816]

約数ペア:

[(1, 81420816), (2, 40710408), (3, 27140272), (4, 20355204), (6, 13570136), (8, 10177602), (12, 6785068), (16, 5088801), (24, 3392534), (48, 1696267), (317, 256848), (634, 128424), (951, 85616), (1268, 64212), (1902, 42808), (2536, 32106), (3804, 21404), (5072, 16053), (5351, 15216), (7608, 10702)]