254153984

素因数分解:

$2^8\times 7^2\times {\mathrm{20261}}^1$

素因数の和:20291

約数の個数: 54

約数和(自身を含む): 590171274

約数和(自身を除く): 336017290

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 256, 392, 448, 784, 896, 1568, 1792, 3136, 6272, 12544, 20261, 40522, 81044, 141827, 162088, 283654, 324176, 567308, 648352, 992789, 1134616, 1296704, 1985578, 2269232, 2593408, 3971156, 4538464, 5186816, 7942312, 9076928, 15884624, 18153856, 31769248, 36307712, 63538496, 127076992, 254153984]

約数ペア:

[(1, 254153984), (2, 127076992), (4, 63538496), (7, 36307712), (8, 31769248), (14, 18153856), (16, 15884624), (28, 9076928), (32, 7942312), (49, 5186816), (56, 4538464), (64, 3971156), (98, 2593408), (112, 2269232), (128, 1985578), (196, 1296704), (224, 1134616), (256, 992789), (392, 648352), (448, 567308), (784, 324176), (896, 283654), (1568, 162088), (1792, 141827), (3136, 81044), (6272, 40522), (12544, 20261)]