1271888890844

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{3491}}^1\times {\mathrm{636947}}^1$

素因数の和:640466

約数の個数: 48

約数和(自身を含む): 2615685561216

約数和(自身を除く): 1343796670372

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 286, 572, 3491, 6982, 13964, 38401, 45383, 76802, 90766, 153604, 181532, 499213, 636947, 998426, 1273894, 1996852, 2547788, 7006417, 8280311, 14012834, 16560622, 28025668, 33121244, 91083421, 182166842, 364333684, 2223581977, 4447163954, 8894327908, 24459401747, 28906565701, 48918803494, 57813131402, 97837606988, 115626262804, 317972222711, 635944445422, 1271888890844]

約数ペア:

[(1, 1271888890844), (2, 635944445422), (4, 317972222711), (11, 115626262804), (13, 97837606988), (22, 57813131402), (26, 48918803494), (44, 28906565701), (52, 24459401747), (143, 8894327908), (286, 4447163954), (572, 2223581977), (3491, 364333684), (6982, 182166842), (13964, 91083421), (38401, 33121244), (45383, 28025668), (76802, 16560622), (90766, 14012834), (153604, 8280311), (181532, 7006417), (499213, 2547788), (636947, 1996852), (998426, 1273894)]