81438084

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{24859}}^1$

素因数の和:24889

約数の個数: 72

約数和(自身を含む): 253373120

約数和(自身を除く): 171935036

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 52, 63, 78, 84, 91, 117, 126, 156, 182, 234, 252, 273, 364, 468, 546, 819, 1092, 1638, 3276, 24859, 49718, 74577, 99436, 149154, 174013, 223731, 298308, 323167, 348026, 447462, 522039, 646334, 696052, 894924, 969501, 1044078, 1292668, 1566117, 1939002, 2088156, 2262169, 2908503, 3132234, 3878004, 4524338, 5817006, 6264468, 6786507, 9048676, 11634012, 13573014, 20359521, 27146028, 40719042, 81438084]

約数ペア:

[(1, 81438084), (2, 40719042), (3, 27146028), (4, 20359521), (6, 13573014), (7, 11634012), (9, 9048676), (12, 6786507), (13, 6264468), (14, 5817006), (18, 4524338), (21, 3878004), (26, 3132234), (28, 2908503), (36, 2262169), (39, 2088156), (42, 1939002), (52, 1566117), (63, 1292668), (78, 1044078), (84, 969501), (91, 894924), (117, 696052), (126, 646334), (156, 522039), (182, 447462), (234, 348026), (252, 323167), (273, 298308), (364, 223731), (468, 174013), (546, 149154), (819, 99436), (1092, 74577), (1638, 49718), (3276, 24859)]