1998941784

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{177589}}^1$

素因数の和:177672

約数の個数: 64

約数和(自身を含む): 5796537600

約数和(自身を除く): 3797595816

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 67, 84, 134, 168, 201, 268, 402, 469, 536, 804, 938, 1407, 1608, 1876, 2814, 3752, 5628, 11256, 177589, 355178, 532767, 710356, 1065534, 1243123, 1420712, 2131068, 2486246, 3729369, 4262136, 4972492, 7458738, 9944984, 11898463, 14917476, 23796926, 29834952, 35695389, 47593852, 71390778, 83289241, 95187704, 142781556, 166578482, 249867723, 285563112, 333156964, 499735446, 666313928, 999470892, 1998941784]

約数ペア:

[(1, 1998941784), (2, 999470892), (3, 666313928), (4, 499735446), (6, 333156964), (7, 285563112), (8, 249867723), (12, 166578482), (14, 142781556), (21, 95187704), (24, 83289241), (28, 71390778), (42, 47593852), (56, 35695389), (67, 29834952), (84, 23796926), (134, 14917476), (168, 11898463), (201, 9944984), (268, 7458738), (402, 4972492), (469, 4262136), (536, 3729369), (804, 2486246), (938, 2131068), (1407, 1420712), (1608, 1243123), (1876, 1065534), (2814, 710356), (3752, 532767), (5628, 355178), (11256, 177589)]