81871972

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{6079}}^1$

素因数の和:6140

約数の個数: 48

約数和(自身を含む): 181135360

約数和(自身を除く): 99263388

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 37, 52, 74, 91, 148, 182, 259, 364, 481, 518, 962, 1036, 1924, 3367, 6079, 6734, 12158, 13468, 24316, 42553, 79027, 85106, 158054, 170212, 224923, 316108, 449846, 553189, 899692, 1106378, 1574461, 2212756, 2923999, 3148922, 5847998, 6297844, 11695996, 20467993, 40935986, 81871972]

約数ペア:

[(1, 81871972), (2, 40935986), (4, 20467993), (7, 11695996), (13, 6297844), (14, 5847998), (26, 3148922), (28, 2923999), (37, 2212756), (52, 1574461), (74, 1106378), (91, 899692), (148, 553189), (182, 449846), (259, 316108), (364, 224923), (481, 170212), (518, 158054), (962, 85106), (1036, 79027), (1924, 42553), (3367, 24316), (6079, 13468), (6734, 12158)]