638565592

素因数分解:

$2^3\times 7^1\times {\mathrm{1151}}^1\times {\mathrm{9907}}^1$

素因数の和:11071

約数の個数: 32

約数和(自身を含む): 1369681920

約数和(自身を除く): 731116328

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 1151, 2302, 4604, 8057, 9208, 9907, 16114, 19814, 32228, 39628, 64456, 69349, 79256, 138698, 277396, 554792, 11402957, 22805914, 45611828, 79820699, 91223656, 159641398, 319282796, 638565592]

約数ペア:

[(1, 638565592), (2, 319282796), (4, 159641398), (7, 91223656), (8, 79820699), (14, 45611828), (28, 22805914), (56, 11402957), (1151, 554792), (2302, 277396), (4604, 138698), (8057, 79256), (9208, 69349), (9907, 64456), (16114, 39628), (19814, 32228)]