1256787428

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{127}}^1\times {\mathrm{14639}}^1$

素因数の和:14796

約数の個数: 36

約数和(自身を含む): 2400491520

約数和(自身を除く): 1143704092

約数列:

[1, 2, 4, 13, 26, 52, 127, 169, 254, 338, 508, 676, 1651, 3302, 6604, 14639, 21463, 29278, 42926, 58556, 85852, 190307, 380614, 761228, 1859153, 2473991, 3718306, 4947982, 7436612, 9895964, 24168989, 48337978, 96675956, 314196857, 628393714, 1256787428]

約数ペア:

[(1, 1256787428), (2, 628393714), (4, 314196857), (13, 96675956), (26, 48337978), (52, 24168989), (127, 9895964), (169, 7436612), (254, 4947982), (338, 3718306), (508, 2473991), (676, 1859153), (1651, 761228), (3302, 380614), (6604, 190307), (14639, 85852), (21463, 58556), (29278, 42926)]