13217260

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13487}}^1$

素因数の和:13510

約数の個数: 36

約数和(自身を含む): 32290272

約数和(自身を除く): 19073012

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 13487, 26974, 53948, 67435, 94409, 134870, 188818, 269740, 377636, 472045, 660863, 944090, 1321726, 1888180, 2643452, 3304315, 6608630, 13217260]

約数ペア:

[(1, 13217260), (2, 6608630), (4, 3304315), (5, 2643452), (7, 1888180), (10, 1321726), (14, 944090), (20, 660863), (28, 472045), (35, 377636), (49, 269740), (70, 188818), (98, 134870), (140, 94409), (196, 67435), (245, 53948), (490, 26974), (980, 13487)]