81143608

素因数分解:

$2^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{15923}}^1$

素因数の和:15956

約数の個数: 48

約数和(自身を含む): 190610280

約数和(自身を除く): 109466672

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 49, 52, 56, 91, 98, 104, 182, 196, 364, 392, 637, 728, 1274, 2548, 5096, 15923, 31846, 63692, 111461, 127384, 206999, 222922, 413998, 445844, 780227, 827996, 891688, 1448993, 1560454, 1655992, 2897986, 3120908, 5795972, 6241816, 10142951, 11591944, 20285902, 40571804, 81143608]

約数ペア:

[(1, 81143608), (2, 40571804), (4, 20285902), (7, 11591944), (8, 10142951), (13, 6241816), (14, 5795972), (26, 3120908), (28, 2897986), (49, 1655992), (52, 1560454), (56, 1448993), (91, 891688), (98, 827996), (104, 780227), (182, 445844), (196, 413998), (364, 222922), (392, 206999), (637, 127384), (728, 111461), (1274, 63692), (2548, 31846), (5096, 15923)]