281972068

素因数分解:

$2^2\times 7^3\times {\mathrm{205519}}^1$

素因数の和:205544

約数の個数: 24

約数和(自身を含む): 575456000

約数和(自身を除く): 293483932

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 343, 686, 1372, 205519, 411038, 822076, 1438633, 2877266, 5754532, 10070431, 20140862, 40281724, 70493017, 140986034, 281972068]

約数ペア:

[(1, 281972068), (2, 140986034), (4, 70493017), (7, 40281724), (14, 20140862), (28, 10070431), (49, 5754532), (98, 2877266), (196, 1438633), (343, 822076), (686, 411038), (1372, 205519)]