289248856

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{146381}}^1$

素因数の和:146419

約数の個数: 32

約数和(自身を含む): 614804400

約数和(自身を除く): 325555544

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 146381, 292762, 585524, 1171048, 1902953, 2781239, 3805906, 5562478, 7611812, 11124956, 15223624, 22249912, 36156107, 72312214, 144624428, 289248856]

約数ペア:

[(1, 289248856), (2, 144624428), (4, 72312214), (8, 36156107), (13, 22249912), (19, 15223624), (26, 11124956), (38, 7611812), (52, 5562478), (76, 3805906), (104, 2781239), (152, 1902953), (247, 1171048), (494, 585524), (988, 292762), (1976, 146381)]