28923377

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{661}}^1$

素因数の和:741

約数の個数: 24

約数和(自身を含む): 36224640

約数和(自身を除く): 7301263

約数列:

[1, 7, 19, 47, 49, 133, 329, 661, 893, 931, 2303, 4627, 6251, 12559, 31067, 32389, 43757, 87913, 217469, 590273, 615391, 1522283, 4131911, 28923377]

約数ペア:

[(1, 28923377), (7, 4131911), (19, 1522283), (47, 615391), (49, 590273), (133, 217469), (329, 87913), (661, 43757), (893, 32389), (931, 31067), (2303, 12559), (4627, 6251)]