8904749

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1$

素因数の和:161

約数の個数: 32

約数和(自身を含む): 11612160

約数和(自身を除く): 2707411

約数列:

[1, 7, 19, 23, 41, 71, 133, 161, 287, 437, 497, 779, 943, 1349, 1633, 2911, 3059, 5453, 6601, 9443, 11431, 17917, 20377, 31027, 55309, 66953, 125419, 217189, 387163, 468671, 1272107, 8904749]

約数ペア:

[(1, 8904749), (7, 1272107), (19, 468671), (23, 387163), (41, 217189), (71, 125419), (133, 66953), (161, 55309), (287, 31027), (437, 20377), (497, 17917), (779, 11431), (943, 9443), (1349, 6601), (1633, 5453), (2911, 3059)]