81127858.000000000

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{20407}}^1$

素因数の和:20459

約数の個数: 48

約数和(自身を含む): 493710336

約数和(自身を除く): 271029152

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 32, 44, 62, 88, 124, 176, 248, 341, 352, 496, 682, 992, 1364, 2728, 5456, 10912, 20407, 40814, 81628, 163256, 224477, 326512, 448954, 632617, 653024, 897908, 1265234, 1795816, 2530468, 3591632, 5060936, 6958787, 7183264, 10121872, 13917574, 20243744, 27835148, 55670296, 111340592, 222681184]

約数ペア:

[(1, 222681184), (2, 111340592), (4, 55670296), (8, 27835148), (11, 20243744), (16, 13917574), (22, 10121872), (31, 7183264), (32, 6958787), (44, 5060936), (62, 3591632), (88, 2530468), (124, 1795816), (176, 1265234), (248, 897908), (341, 653024), (352, 632617), (496, 448954), (682, 326512), (992, 224477), (1364, 163256), (2728, 81628), (5456, 40814), (10912, 20407)]