2561637715

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{2339}}^1$

素因数の和:2476

約数の個数: 64

約数和(自身を含む): 3962649600

約数和(自身を除く): 1401011885

約数列:

[1, 5, 7, 13, 29, 35, 65, 83, 91, 145, 203, 377, 415, 455, 581, 1015, 1079, 1885, 2339, 2407, 2639, 2905, 5395, 7553, 11695, 12035, 13195, 16373, 16849, 30407, 31291, 37765, 67831, 81865, 84245, 152035, 156455, 194137, 212849, 219037, 339155, 474817, 881803, 970685, 1064245, 1095185, 1358959, 2374085, 2523781, 4409015, 5629973, 6172621, 6794795, 12618905, 17666467, 28149865, 30863105, 39409811, 73189649, 88332335, 197049055, 365948245, 512327543, 2561637715]

約数ペア:

[(1, 2561637715), (5, 512327543), (7, 365948245), (13, 197049055), (29, 88332335), (35, 73189649), (65, 39409811), (83, 30863105), (91, 28149865), (145, 17666467), (203, 12618905), (377, 6794795), (415, 6172621), (455, 5629973), (581, 4409015), (1015, 2523781), (1079, 2374085), (1885, 1358959), (2339, 1095185), (2407, 1064245), (2639, 970685), (2905, 881803), (5395, 474817), (7553, 339155), (11695, 219037), (12035, 212849), (13195, 194137), (16373, 156455), (16849, 152035), (30407, 84245), (31291, 81865), (37765, 67831)]