208065998

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{12823}}^1$

素因数の和:12912

約数の個数: 32

約数和(自身を含む): 381642240

約数和(自身を除く): 173576242

約数列:

[1, 2, 7, 14, 19, 38, 61, 122, 133, 266, 427, 854, 1159, 2318, 8113, 12823, 16226, 25646, 89761, 179522, 243637, 487274, 782203, 1564406, 1705459, 3410918, 5475421, 10950842, 14861857, 29723714, 104032999, 208065998]

約数ペア:

[(1, 208065998), (2, 104032999), (7, 29723714), (14, 14861857), (19, 10950842), (38, 5475421), (61, 3410918), (122, 1705459), (133, 1564406), (266, 782203), (427, 487274), (854, 243637), (1159, 179522), (2318, 89761), (8113, 25646), (12823, 16226)]