128195912

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{2339}}^1$

素因数の和:2406

約数の個数: 64

約数和(自身を含む): 283046400

約数和(自身を除く): 154850488

約数列:

[1, 2, 4, 8, 13, 17, 26, 31, 34, 52, 62, 68, 104, 124, 136, 221, 248, 403, 442, 527, 806, 884, 1054, 1612, 1768, 2108, 2339, 3224, 4216, 4678, 6851, 9356, 13702, 18712, 27404, 30407, 39763, 54808, 60814, 72509, 79526, 121628, 145018, 159052, 243256, 290036, 318104, 516919, 580072, 942617, 1033838, 1232653, 1885234, 2067676, 2465306, 3770468, 4135352, 4930612, 7540936, 9861224, 16024489, 32048978, 64097956, 128195912]

約数ペア:

[(1, 128195912), (2, 64097956), (4, 32048978), (8, 16024489), (13, 9861224), (17, 7540936), (26, 4930612), (31, 4135352), (34, 3770468), (52, 2465306), (62, 2067676), (68, 1885234), (104, 1232653), (124, 1033838), (136, 942617), (221, 580072), (248, 516919), (403, 318104), (442, 290036), (527, 243256), (806, 159052), (884, 145018), (1054, 121628), (1612, 79526), (1768, 72509), (2108, 60814), (2339, 54808), (3224, 39763), (4216, 30407), (4678, 27404), (6851, 18712), (9356, 13702)]