665266

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:130

約数の個数: 32

約数和(自身を含む): 1249920

約数和(自身を除く): 584654

約数列:

[1, 2, 7, 14, 19, 38, 41, 61, 82, 122, 133, 266, 287, 427, 574, 779, 854, 1159, 1558, 2318, 2501, 5002, 5453, 8113, 10906, 16226, 17507, 35014, 47519, 95038, 332633, 665266]

約数ペア:

[(1, 665266), (2, 332633), (7, 95038), (14, 47519), (19, 35014), (38, 17507), (41, 16226), (61, 10906), (82, 8113), (122, 5453), (133, 5002), (266, 2501), (287, 2318), (427, 1558), (574, 1159), (779, 854)]