3980990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{271}}^1$

素因数の和:404

約数の個数: 32

約数和(自身を含む): 7814016

約数和(自身を除く): 3833026

約数列:

[1, 2, 5, 10, 13, 26, 65, 113, 130, 226, 271, 542, 565, 1130, 1355, 1469, 2710, 2938, 3523, 7046, 7345, 14690, 17615, 30623, 35230, 61246, 153115, 306230, 398099, 796198, 1990495, 3980990]

約数ペア:

[(1, 3980990), (2, 1990495), (5, 796198), (10, 398099), (13, 306230), (26, 153115), (65, 61246), (113, 35230), (130, 30623), (226, 17615), (271, 14690), (542, 7345), (565, 7046), (1130, 3523), (1355, 2938), (1469, 2710)]