128895872

素因数分解:

$2^7\times 7^2\times {\mathrm{20551}}^1$

素因数の和:20579

約数の個数: 48

約数和(自身を含む): 298723320

約数和(自身を除く): 169827448

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 392, 448, 784, 896, 1568, 3136, 6272, 20551, 41102, 82204, 143857, 164408, 287714, 328816, 575428, 657632, 1006999, 1150856, 1315264, 2013998, 2301712, 2630528, 4027996, 4603424, 8055992, 9206848, 16111984, 18413696, 32223968, 64447936, 128895872]

約数ペア:

[(1, 128895872), (2, 64447936), (4, 32223968), (7, 18413696), (8, 16111984), (14, 9206848), (16, 8055992), (28, 4603424), (32, 4027996), (49, 2630528), (56, 2301712), (64, 2013998), (98, 1315264), (112, 1150856), (128, 1006999), (196, 657632), (224, 575428), (392, 328816), (448, 287714), (784, 164408), (896, 143857), (1568, 82204), (3136, 41102), (6272, 20551)]