1988045248

素因数分解:

$2^6\times 7^2\times {\mathrm{633943}}^1$

素因数の和:633969

約数の個数: 42

約数和(自身を含む): 4589120616

約数和(自身を除く): 2601075368

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 196, 224, 392, 448, 784, 1568, 3136, 633943, 1267886, 2535772, 4437601, 5071544, 8875202, 10143088, 17750404, 20286176, 31063207, 35500808, 40572352, 62126414, 71001616, 124252828, 142003232, 248505656, 284006464, 497011312, 994022624, 1988045248]

約数ペア:

[(1, 1988045248), (2, 994022624), (4, 497011312), (7, 284006464), (8, 248505656), (14, 142003232), (16, 124252828), (28, 71001616), (32, 62126414), (49, 40572352), (56, 35500808), (64, 31063207), (98, 20286176), (112, 17750404), (196, 10143088), (224, 8875202), (392, 5071544), (448, 4437601), (784, 2535772), (1568, 1267886), (3136, 633943)]