681884

素因数分解:

$2^2\times 7^4\times {\mathrm{71}}^1$

素因数の和:103

約数の個数: 30

約数和(自身を含む): 1411704

約数和(自身を除く): 729820

約数列:

[1, 2, 4, 7, 14, 28, 49, 71, 98, 142, 196, 284, 343, 497, 686, 994, 1372, 1988, 2401, 3479, 4802, 6958, 9604, 13916, 24353, 48706, 97412, 170471, 340942, 681884]

約数ペア:

[(1, 681884), (2, 340942), (4, 170471), (7, 97412), (14, 48706), (28, 24353), (49, 13916), (71, 9604), (98, 6958), (142, 4802), (196, 3479), (284, 2401), (343, 1988), (497, 1372), (686, 994)]