81471104

素因数分解:

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

素因数の和:4489

約数の個数: 64

約数和(自身を含む): 190723680

約数和(自身を除く): 109252576

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 32, 44, 52, 64, 88, 104, 128, 143, 176, 208, 286, 352, 416, 572, 704, 832, 1144, 1408, 1664, 2288, 4451, 4576, 8902, 9152, 17804, 18304, 35608, 48961, 57863, 71216, 97922, 115726, 142432, 195844, 231452, 284864, 391688, 462904, 569728, 636493, 783376, 925808, 1272986, 1566752, 1851616, 2545972, 3133504, 3703232, 5091944, 6267008, 7406464, 10183888, 20367776, 40735552, 81471104]

約数ペア:

[(1, 81471104), (2, 40735552), (4, 20367776), (8, 10183888), (11, 7406464), (13, 6267008), (16, 5091944), (22, 3703232), (26, 3133504), (32, 2545972), (44, 1851616), (52, 1566752), (64, 1272986), (88, 925808), (104, 783376), (128, 636493), (143, 569728), (176, 462904), (208, 391688), (286, 284864), (352, 231452), (416, 195844), (572, 142432), (704, 115726), (832, 97922), (1144, 71216), (1408, 57863), (1664, 48961), (2288, 35608), (4451, 18304), (4576, 17804), (8902, 9152)]