81647636

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{919}}^1$

素因数の和:1116

約数の個数: 48

約数和(自身を含む): 173107200

約数和(自身を除く): 91459564

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 167, 266, 334, 532, 668, 919, 1169, 1838, 2338, 3173, 3676, 4676, 6346, 6433, 12692, 12866, 17461, 22211, 25732, 34922, 44422, 69844, 88844, 122227, 153473, 244454, 306946, 488908, 613892, 1074311, 2148622, 2915987, 4297244, 5831974, 11663948, 20411909, 40823818, 81647636]

約数ペア:

[(1, 81647636), (2, 40823818), (4, 20411909), (7, 11663948), (14, 5831974), (19, 4297244), (28, 2915987), (38, 2148622), (76, 1074311), (133, 613892), (167, 488908), (266, 306946), (334, 244454), (532, 153473), (668, 122227), (919, 88844), (1169, 69844), (1838, 44422), (2338, 34922), (3173, 25732), (3676, 22211), (4676, 17461), (6346, 12866), (6433, 12692)]