81681644

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{383}}^1$

素因数の和:566

約数の個数: 48

約数和(自身を含む): 161796096

約数和(自身を除く): 80114452

約数列:

[1, 2, 4, 11, 22, 37, 44, 74, 131, 148, 262, 383, 407, 524, 766, 814, 1441, 1532, 1628, 2882, 4213, 4847, 5764, 8426, 9694, 14171, 16852, 19388, 28342, 50173, 53317, 56684, 100346, 106634, 155881, 200692, 213268, 311762, 551903, 623524, 1103806, 1856401, 2207612, 3712802, 7425604, 20420411, 40840822, 81681644]

約数ペア:

[(1, 81681644), (2, 40840822), (4, 20420411), (11, 7425604), (22, 3712802), (37, 2207612), (44, 1856401), (74, 1103806), (131, 623524), (148, 551903), (262, 311762), (383, 213268), (407, 200692), (524, 155881), (766, 106634), (814, 100346), (1441, 56684), (1532, 53317), (1628, 50173), (2882, 28342), (4213, 19388), (4847, 16852), (5764, 14171), (8426, 9694)]