89170081

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{389}}^1$

素因数の和:649

約数の個数: 32

約数和(自身を含む): 120556800

約数和(自身を除く): 31386719

約数列:

[1, 7, 11, 13, 77, 91, 143, 229, 389, 1001, 1603, 2519, 2723, 2977, 4279, 5057, 17633, 20839, 29953, 32747, 35399, 55627, 89081, 229229, 389389, 623567, 979891, 1158053, 6859237, 8106371, 12738583, 89170081]

約数ペア:

[(1, 89170081), (7, 12738583), (11, 8106371), (13, 6859237), (77, 1158053), (91, 979891), (143, 623567), (229, 389389), (389, 229229), (1001, 89081), (1603, 55627), (2519, 35399), (2723, 32747), (2977, 29953), (4279, 20839), (5057, 17633)]