399809946

素因数分解:

$2^1\times 3^1\times {\mathrm{71}}^1\times {\mathrm{563}}^1\times {\mathrm{1667}}^1$

素因数の和:2306

約数の個数: 32

約数和(自身を含む): 812809728

約数和(自身を除く): 412999782

約数列:

[1, 2, 3, 6, 71, 142, 213, 426, 563, 1126, 1667, 1689, 3334, 3378, 5001, 10002, 39973, 79946, 118357, 119919, 236714, 239838, 355071, 710142, 938521, 1877042, 2815563, 5631126, 66634991, 133269982, 199904973, 399809946]

約数ペア:

[(1, 399809946), (2, 199904973), (3, 133269982), (6, 66634991), (71, 5631126), (142, 2815563), (213, 1877042), (426, 938521), (563, 710142), (1126, 355071), (1667, 239838), (1689, 236714), (3334, 119919), (3378, 118357), (5001, 79946), (10002, 39973)]