87969791

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{613}}^1$

素因数の和:735

約数の個数: 32

約数和(自身を含む): 115530240

約数和(自身を除く): 27560449

約数列:

[1, 7, 13, 19, 83, 91, 133, 247, 581, 613, 1079, 1577, 1729, 4291, 7553, 7969, 11039, 11647, 20501, 50879, 55783, 81529, 143507, 151411, 356153, 661427, 966701, 1059877, 4629989, 6766907, 12567113, 87969791]

約数ペア:

[(1, 87969791), (7, 12567113), (13, 6766907), (19, 4629989), (83, 1059877), (91, 966701), (133, 661427), (247, 356153), (581, 151411), (613, 143507), (1079, 81529), (1577, 55783), (1729, 50879), (4291, 20501), (7553, 11647), (7969, 11039)]