7997730

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20507}}^1$

素因数の和:20530

約数の個数: 32

約数和(自身を含む): 20672064

約数和(自身を除く): 12674334

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 20507, 41014, 61521, 102535, 123042, 205070, 266591, 307605, 533182, 615210, 799773, 1332955, 1599546, 2665910, 3998865, 7997730]

約数ペア:

[(1, 7997730), (2, 3998865), (3, 2665910), (5, 1599546), (6, 1332955), (10, 799773), (13, 615210), (15, 533182), (26, 307605), (30, 266591), (39, 205070), (65, 123042), (78, 102535), (130, 61521), (195, 41014), (390, 20507)]