1943371885

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{1399}}^1$

素因数の和:1538

約数の個数: 64

約数和(自身を含む): 2980454400

約数和(自身を除く): 1037082515

約数列:

[1, 5, 7, 13, 35, 43, 65, 71, 91, 215, 301, 355, 455, 497, 559, 923, 1399, 1505, 2485, 2795, 3053, 3913, 4615, 6461, 6995, 9793, 15265, 18187, 19565, 21371, 32305, 39689, 48965, 60157, 90935, 99329, 106855, 127309, 198445, 277823, 300785, 421099, 496645, 636545, 695303, 782041, 1291277, 1389115, 2105495, 3476515, 3910205, 4271147, 5474287, 6456385, 9038939, 21355735, 27371435, 29898029, 45194695, 55524911, 149490145, 277624555, 388674377, 1943371885]

約数ペア:

[(1, 1943371885), (5, 388674377), (7, 277624555), (13, 149490145), (35, 55524911), (43, 45194695), (65, 29898029), (71, 27371435), (91, 21355735), (215, 9038939), (301, 6456385), (355, 5474287), (455, 4271147), (497, 3910205), (559, 3476515), (923, 2105495), (1399, 1389115), (1505, 1291277), (2485, 782041), (2795, 695303), (3053, 636545), (3913, 496645), (4615, 421099), (6461, 300785), (6995, 277823), (9793, 198445), (15265, 127309), (18187, 106855), (19565, 99329), (21371, 90935), (32305, 60157), (39689, 48965)]