90681448

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2557}}^1$

素因数の和:2618

約数の個数: 64

約数和(自身を含む): 206277120

約数和(自身を除く): 115595672

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 31, 44, 52, 62, 88, 104, 124, 143, 248, 286, 341, 403, 572, 682, 806, 1144, 1364, 1612, 2557, 2728, 3224, 4433, 5114, 8866, 10228, 17732, 20456, 28127, 33241, 35464, 56254, 66482, 79267, 112508, 132964, 158534, 225016, 265928, 317068, 365651, 634136, 731302, 871937, 1030471, 1462604, 1743874, 2060942, 2925208, 3487748, 4121884, 6975496, 8243768, 11335181, 22670362, 45340724, 90681448]

約数ペア:

[(1, 90681448), (2, 45340724), (4, 22670362), (8, 11335181), (11, 8243768), (13, 6975496), (22, 4121884), (26, 3487748), (31, 2925208), (44, 2060942), (52, 1743874), (62, 1462604), (88, 1030471), (104, 871937), (124, 731302), (143, 634136), (248, 365651), (286, 317068), (341, 265928), (403, 225016), (572, 158534), (682, 132964), (806, 112508), (1144, 79267), (1364, 66482), (1612, 56254), (2557, 35464), (2728, 33241), (3224, 28127), (4433, 20456), (5114, 17732), (8866, 10228)]