28781914

素因数分解:

$2^1\times 7^2\times {\mathrm{509}}^1\times {\mathrm{577}}^1$

素因数の和:1102

約数の個数: 24

約数和(自身を含む): 50407380

約数和(自身を除く): 21625466

約数列:

[1, 2, 7, 14, 49, 98, 509, 577, 1018, 1154, 3563, 4039, 7126, 8078, 24941, 28273, 49882, 56546, 293693, 587386, 2055851, 4111702, 14390957, 28781914]

約数ペア:

[(1, 28781914), (2, 14390957), (7, 4111702), (14, 2055851), (49, 587386), (98, 293693), (509, 56546), (577, 49882), (1018, 28273), (1154, 24941), (3563, 8078), (4039, 7126)]