89478389

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1259}}^1$

素因数の和:1361

約数の個数: 32

約数和(自身を含む): 121927680

約数和(自身を除く): 32449291

約数列:

[1, 7, 11, 13, 71, 77, 91, 143, 497, 781, 923, 1001, 1259, 5467, 6461, 8813, 10153, 13849, 16367, 71071, 89389, 96943, 114569, 180037, 625723, 983279, 1162057, 1260259, 6882953, 8134399, 12782627, 89478389]

約数ペア:

[(1, 89478389), (7, 12782627), (11, 8134399), (13, 6882953), (71, 1260259), (77, 1162057), (91, 983279), (143, 625723), (497, 180037), (781, 114569), (923, 96943), (1001, 89389), (1259, 71071), (5467, 16367), (6461, 13849), (8813, 10153)]