81825436

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{1783}}^1$

素因数の和:1954

約数の個数: 48

約数和(自身を含む): 179827200

約数和(自身を除く): 98001764

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 149, 154, 298, 308, 596, 1043, 1639, 1783, 2086, 3278, 3566, 4172, 6556, 7132, 11473, 12481, 19613, 22946, 24962, 39226, 45892, 49924, 78452, 137291, 265667, 274582, 531334, 549164, 1062668, 1859669, 2922337, 3719338, 5844674, 7438676, 11689348, 20456359, 40912718, 81825436]

約数ペア:

[(1, 81825436), (2, 40912718), (4, 20456359), (7, 11689348), (11, 7438676), (14, 5844674), (22, 3719338), (28, 2922337), (44, 1859669), (77, 1062668), (149, 549164), (154, 531334), (298, 274582), (308, 265667), (596, 137291), (1043, 78452), (1639, 49924), (1783, 45892), (2086, 39226), (3278, 24962), (3566, 22946), (4172, 19613), (6556, 12481), (7132, 11473)]