656987305

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1\times {\mathrm{1319}}^1$

素因数の和:1513

約数の個数: 32

約数和(自身を含む): 869299200

約数和(自身を除く): 212311895

約数列:

[1, 5, 13, 65, 79, 97, 395, 485, 1027, 1261, 1319, 5135, 6305, 6595, 7663, 17147, 38315, 85735, 99619, 104201, 127943, 498095, 521005, 639715, 1354613, 1663259, 6773065, 8316295, 10107497, 50537485, 131397461, 656987305]

約数ペア:

[(1, 656987305), (5, 131397461), (13, 50537485), (65, 10107497), (79, 8316295), (97, 6773065), (395, 1663259), (485, 1354613), (1027, 639715), (1261, 521005), (1319, 498095), (5135, 127943), (6305, 104201), (6595, 99619), (7663, 85735), (17147, 38315)]