217697795

素因数分解:

$5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{137}}^1\times {\mathrm{547}}^1$

素因数の和:779

約数の個数: 32

約数和(自身を含む): 304915968

約数和(自身を除く): 87218173

約数列:

[1, 5, 7, 35, 83, 137, 415, 547, 581, 685, 959, 2735, 2905, 3829, 4795, 11371, 19145, 45401, 56855, 74939, 79597, 227005, 317807, 374695, 397985, 524573, 1589035, 2622865, 6219937, 31099685, 43539559, 217697795]

約数ペア:

[(1, 217697795), (5, 43539559), (7, 31099685), (35, 6219937), (83, 2622865), (137, 1589035), (415, 524573), (547, 397985), (581, 374695), (685, 317807), (959, 227005), (2735, 79597), (2905, 74939), (3829, 56855), (4795, 45401), (11371, 19145)]