261504984

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{838157}}^1$

素因数の和:838179

約数の個数: 32

約数和(自身を含む): 704052720

約数和(自身を除く): 442547736

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 838157, 1676314, 2514471, 3352628, 5028942, 6705256, 10057884, 10896041, 20115768, 21792082, 32688123, 43584164, 65376246, 87168328, 130752492, 261504984]

約数ペア:

[(1, 261504984), (2, 130752492), (3, 87168328), (4, 65376246), (6, 43584164), (8, 32688123), (12, 21792082), (13, 20115768), (24, 10896041), (26, 10057884), (39, 6705256), (52, 5028942), (78, 3352628), (104, 2514471), (156, 1676314), (312, 838157)]