289251325

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{401}}^1$

素因数の和:526

約数の個数: 48

約数和(自身を含む): 407956032

約数和(自身を除く): 118704707

約数列:

[1, 5, 11, 25, 43, 55, 61, 215, 275, 305, 401, 473, 671, 1075, 1525, 2005, 2365, 2623, 3355, 4411, 10025, 11825, 13115, 16775, 17243, 22055, 24461, 28853, 65575, 86215, 110275, 122305, 144265, 189673, 269071, 431075, 611525, 721325, 948365, 1051823, 1345355, 4741825, 5259115, 6726775, 11570053, 26295575, 57850265, 289251325]

約数ペア:

[(1, 289251325), (5, 57850265), (11, 26295575), (25, 11570053), (43, 6726775), (55, 5259115), (61, 4741825), (215, 1345355), (275, 1051823), (305, 948365), (401, 721325), (473, 611525), (671, 431075), (1075, 269071), (1525, 189673), (2005, 144265), (2365, 122305), (2623, 110275), (3355, 86215), (4411, 65575), (10025, 28853), (11825, 24461), (13115, 22055), (16775, 17243)]