1664457990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4267841}}^1$

素因数の和:4267864

約数の個数: 32

約数和(自身を含む): 4301984736

約数和(自身を除く): 2637526746

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 4267841, 8535682, 12803523, 21339205, 25607046, 42678410, 55481933, 64017615, 110963866, 128035230, 166445799, 277409665, 332891598, 554819330, 832228995, 1664457990]

約数ペア:

[(1, 1664457990), (2, 832228995), (3, 554819330), (5, 332891598), (6, 277409665), (10, 166445799), (13, 128035230), (15, 110963866), (26, 64017615), (30, 55481933), (39, 42678410), (65, 25607046), (78, 21339205), (130, 12803523), (195, 8535682), (390, 4267841)]