129021872

素因数分解:

$2^4\times 7^1\times {\mathrm{1151981}}^1$

素因数の和:1151996

約数の個数: 20

約数和(自身を含む): 285691536

約数和(自身を除く): 156669664

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 1151981, 2303962, 4607924, 8063867, 9215848, 16127734, 18431696, 32255468, 64510936, 129021872]

約数ペア:

[(1, 129021872), (2, 64510936), (4, 32255468), (7, 18431696), (8, 16127734), (14, 9215848), (16, 8063867), (28, 4607924), (56, 2303962), (112, 1151981)]