1001045905

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{409}}^1\times {\mathrm{21283}}^1$

素因数の和:21720

約数の個数: 16

約数和(自身を含む): 1256607360

約数和(自身を除く): 255561455

約数列:

[1, 5, 23, 115, 409, 2045, 9407, 21283, 47035, 106415, 489509, 2447545, 8704747, 43523735, 200209181, 1001045905]

約数ペア:

[(1, 1001045905), (5, 200209181), (23, 43523735), (115, 8704747), (409, 2447545), (2045, 489509), (9407, 106415), (21283, 47035)]