81901456

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^2\times {\mathrm{4327}}^1$

素因数の和:4368

約数の個数: 60

約数和(自身を含む): 196421952

約数和(自身を除く): 114520496

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 169, 182, 208, 338, 364, 676, 728, 1183, 1352, 1456, 2366, 2704, 4327, 4732, 8654, 9464, 17308, 18928, 30289, 34616, 56251, 60578, 69232, 112502, 121156, 225004, 242312, 393757, 450008, 484624, 731263, 787514, 900016, 1462526, 1575028, 2925052, 3150056, 5118841, 5850104, 6300112, 10237682, 11700208, 20475364, 40950728, 81901456]

約数ペア:

[(1, 81901456), (2, 40950728), (4, 20475364), (7, 11700208), (8, 10237682), (13, 6300112), (14, 5850104), (16, 5118841), (26, 3150056), (28, 2925052), (52, 1575028), (56, 1462526), (91, 900016), (104, 787514), (112, 731263), (169, 484624), (182, 450008), (208, 393757), (338, 242312), (364, 225004), (676, 121156), (728, 112502), (1183, 69232), (1352, 60578), (1456, 56251), (2366, 34616), (2704, 30289), (4327, 18928), (4732, 17308), (8654, 9464)]