16290505

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1$

素因数の和:190

約数の個数: 64

約数和(自身を含む): 27371520

約数和(自身を除く): 11081015

約数列:

[1, 5, 7, 11, 17, 19, 35, 55, 77, 85, 95, 119, 131, 133, 187, 209, 323, 385, 595, 655, 665, 917, 935, 1045, 1309, 1441, 1463, 1615, 2227, 2261, 2489, 3553, 4585, 6545, 7205, 7315, 10087, 11135, 11305, 12445, 15589, 17423, 17765, 24497, 24871, 27379, 42313, 50435, 77945, 87115, 122485, 124355, 136895, 171479, 191653, 211565, 296191, 465443, 857395, 958265, 1480955, 2327215, 3258101, 16290505]

約数ペア:

[(1, 16290505), (5, 3258101), (7, 2327215), (11, 1480955), (17, 958265), (19, 857395), (35, 465443), (55, 296191), (77, 211565), (85, 191653), (95, 171479), (119, 136895), (131, 124355), (133, 122485), (187, 87115), (209, 77945), (323, 50435), (385, 42313), (595, 27379), (655, 24871), (665, 24497), (917, 17765), (935, 17423), (1045, 15589), (1309, 12445), (1441, 11305), (1463, 11135), (1615, 10087), (2227, 7315), (2261, 7205), (2489, 6545), (3553, 4585)]