17684345

素因数分解:

$5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1$

素因数の和:198

約数の個数: 48

約数和(自身を含む): 27086400

約数和(自身を除く): 9402055

約数列:

[1, 5, 7, 19, 29, 35, 49, 95, 131, 133, 145, 203, 245, 551, 655, 665, 917, 931, 1015, 1421, 2489, 2755, 3799, 3857, 4585, 4655, 6419, 7105, 12445, 17423, 18995, 19285, 26593, 26999, 32095, 72181, 87115, 121961, 132965, 134995, 186151, 360905, 505267, 609805, 930755, 2526335, 3536869, 17684345]

約数ペア:

[(1, 17684345), (5, 3536869), (7, 2526335), (19, 930755), (29, 609805), (35, 505267), (49, 360905), (95, 186151), (131, 134995), (133, 132965), (145, 121961), (203, 87115), (245, 72181), (551, 32095), (655, 26999), (665, 26593), (917, 19285), (931, 18995), (1015, 17423), (1421, 12445), (2489, 7105), (2755, 6419), (3799, 4655), (3857, 4585)]