81559912

素因数分解:

$2^3\times 7^3\times {\mathrm{29723}}^1$

素因数の和:29750

約数の個数: 32

約数和(自身を含む): 178344000

約数和(自身を除く): 96784088

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 343, 392, 686, 1372, 2744, 29723, 59446, 118892, 208061, 237784, 416122, 832244, 1456427, 1664488, 2912854, 5825708, 10194989, 11651416, 20389978, 40779956, 81559912]

約数ペア:

[(1, 81559912), (2, 40779956), (4, 20389978), (7, 11651416), (8, 10194989), (14, 5825708), (28, 2912854), (49, 1664488), (56, 1456427), (98, 832244), (196, 416122), (343, 237784), (392, 208061), (686, 118892), (1372, 59446), (2744, 29723)]