81605564348

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{401}}^1\times {\mathrm{660731}}^1$

素因数の和:661154

約数の個数: 48

約数和(自身を含む): 178492785408

約数和(自身を除く): 96887221060

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 401, 802, 1604, 2807, 4411, 5614, 8822, 11228, 17644, 30877, 61754, 123508, 660731, 1321462, 2642924, 4625117, 7268041, 9250234, 14536082, 18500468, 29072164, 50876287, 101752574, 203505148, 264953131, 529906262, 1059812524, 1854671917, 2914484441, 3709343834, 5828968882, 7418687668, 11657937764, 20401391087, 40802782174, 81605564348]

約数ペア:

[(1, 81605564348), (2, 40802782174), (4, 20401391087), (7, 11657937764), (11, 7418687668), (14, 5828968882), (22, 3709343834), (28, 2914484441), (44, 1854671917), (77, 1059812524), (154, 529906262), (308, 264953131), (401, 203505148), (802, 101752574), (1604, 50876287), (2807, 29072164), (4411, 18500468), (5614, 14536082), (8822, 9250234), (11228, 7268041), (17644, 4625117), (30877, 2642924), (61754, 1321462), (123508, 660731)]