1217962784

素因数分解:

$2^5\times {\mathrm{193}}^1\times {\mathrm{199}}^1\times {\mathrm{991}}^1$

素因数の和:1393

約数の個数: 48

約数和(自身を含む): 2424844800

約数和(自身を除く): 1206882016

約数列:

[1, 2, 4, 8, 16, 32, 193, 199, 386, 398, 772, 796, 991, 1544, 1592, 1982, 3088, 3184, 3964, 6176, 6368, 7928, 15856, 31712, 38407, 76814, 153628, 191263, 197209, 307256, 382526, 394418, 614512, 765052, 788836, 1229024, 1530104, 1577672, 3060208, 3155344, 6120416, 6310688, 38061337, 76122674, 152245348, 304490696, 608981392, 1217962784]

約数ペア:

[(1, 1217962784), (2, 608981392), (4, 304490696), (8, 152245348), (16, 76122674), (32, 38061337), (193, 6310688), (199, 6120416), (386, 3155344), (398, 3060208), (772, 1577672), (796, 1530104), (991, 1229024), (1544, 788836), (1592, 765052), (1982, 614512), (3088, 394418), (3184, 382526), (3964, 307256), (6176, 197209), (6368, 191263), (7928, 153628), (15856, 76814), (31712, 38407)]