66716923

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{821}}^1$

素因数の和:907

約数の個数: 32

約数和(自身を含む): 88381440

約数和(自身を除く): 21664517

約数列:

[1, 7, 13, 19, 47, 91, 133, 247, 329, 611, 821, 893, 1729, 4277, 5747, 6251, 10673, 11609, 15599, 38587, 74711, 81263, 109193, 202787, 270109, 501631, 733153, 1419509, 3511417, 5132071, 9530989, 66716923]

約数ペア:

[(1, 66716923), (7, 9530989), (13, 5132071), (19, 3511417), (47, 1419509), (91, 733153), (133, 501631), (247, 270109), (329, 202787), (611, 109193), (821, 81263), (893, 74711), (1729, 38587), (4277, 15599), (5747, 11609), (6251, 10673)]