71287216

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{4451}}^1$

素因数の和:4490

約数の個数: 80

約数和(自身を含む): 185488128

約数和(自身を除く): 114200912

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 16, 22, 26, 28, 44, 52, 56, 77, 88, 91, 104, 112, 143, 154, 176, 182, 208, 286, 308, 364, 572, 616, 728, 1001, 1144, 1232, 1456, 2002, 2288, 4004, 4451, 8008, 8902, 16016, 17804, 31157, 35608, 48961, 57863, 62314, 71216, 97922, 115726, 124628, 195844, 231452, 249256, 342727, 391688, 405041, 462904, 498512, 636493, 685454, 783376, 810082, 925808, 1272986, 1370908, 1620164, 2545972, 2741816, 3240328, 4455451, 5091944, 5483632, 6480656, 8910902, 10183888, 17821804, 35643608, 71287216]

約数ペア:

[(1, 71287216), (2, 35643608), (4, 17821804), (7, 10183888), (8, 8910902), (11, 6480656), (13, 5483632), (14, 5091944), (16, 4455451), (22, 3240328), (26, 2741816), (28, 2545972), (44, 1620164), (52, 1370908), (56, 1272986), (77, 925808), (88, 810082), (91, 783376), (104, 685454), (112, 636493), (143, 498512), (154, 462904), (176, 405041), (182, 391688), (208, 342727), (286, 249256), (308, 231452), (364, 195844), (572, 124628), (616, 115726), (728, 97922), (1001, 71216), (1144, 62314), (1232, 57863), (1456, 48961), (2002, 35608), (2288, 31157), (4004, 17804), (4451, 16016), (8008, 8902)]