131400568

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{769}}^1$

素因数の和:872

約数の個数: 64

約数和(自身を含む): 279417600

約数和(自身を除く): 148017032

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 53, 62, 104, 106, 124, 212, 248, 403, 424, 689, 769, 806, 1378, 1538, 1612, 1643, 2756, 3076, 3224, 3286, 5512, 6152, 6572, 9997, 13144, 19994, 21359, 23839, 39988, 40757, 42718, 47678, 79976, 81514, 85436, 95356, 163028, 170872, 190712, 309907, 326056, 529841, 619814, 1059682, 1239628, 1263467, 2119364, 2479256, 2526934, 4238728, 5053868, 10107736, 16425071, 32850142, 65700284, 131400568]

約数ペア:

[(1, 131400568), (2, 65700284), (4, 32850142), (8, 16425071), (13, 10107736), (26, 5053868), (31, 4238728), (52, 2526934), (53, 2479256), (62, 2119364), (104, 1263467), (106, 1239628), (124, 1059682), (212, 619814), (248, 529841), (403, 326056), (424, 309907), (689, 190712), (769, 170872), (806, 163028), (1378, 95356), (1538, 85436), (1612, 81514), (1643, 79976), (2756, 47678), (3076, 42718), (3224, 40757), (3286, 39988), (5512, 23839), (6152, 21359), (6572, 19994), (9997, 13144)]