254015970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{651323}}^1$

素因数の和:651346

約数の個数: 32

約数和(自身を含む): 656534592

約数和(自身を除く): 402518622

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 651323, 1302646, 1953969, 3256615, 3907938, 6513230, 8467199, 9769845, 16934398, 19539690, 25401597, 42335995, 50803194, 84671990, 127007985, 254015970]

約数ペア:

[(1, 254015970), (2, 127007985), (3, 84671990), (5, 50803194), (6, 42335995), (10, 25401597), (13, 19539690), (15, 16934398), (26, 9769845), (30, 8467199), (39, 6513230), (65, 3907938), (78, 3256615), (130, 1953969), (195, 1302646), (390, 651323)]