921691472

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{353}}^1\times {\mathrm{12553}}^1$

素因数の和:12927

約数の個数: 40

約数和(自身を含む): 1928746344

約数和(自身を除く): 1007054872

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 353, 706, 1412, 2824, 4589, 5648, 9178, 12553, 18356, 25106, 36712, 50212, 73424, 100424, 163189, 200848, 326378, 652756, 1305512, 2611024, 4431209, 8862418, 17724836, 35449672, 57605717, 70899344, 115211434, 230422868, 460845736, 921691472]

約数ペア:

[(1, 921691472), (2, 460845736), (4, 230422868), (8, 115211434), (13, 70899344), (16, 57605717), (26, 35449672), (52, 17724836), (104, 8862418), (208, 4431209), (353, 2611024), (706, 1305512), (1412, 652756), (2824, 326378), (4589, 200848), (5648, 163189), (9178, 100424), (12553, 73424), (18356, 50212), (25106, 36712)]