1345988

素因数分解:

$2^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{907}}^1$

素因数の和:971

約数の個数: 24

約数和(自身を含む): 2745792

約数和(自身を除く): 1399804

約数列:

[1, 2, 4, 7, 14, 28, 53, 106, 212, 371, 742, 907, 1484, 1814, 3628, 6349, 12698, 25396, 48071, 96142, 192284, 336497, 672994, 1345988]

約数ペア:

[(1, 1345988), (2, 672994), (4, 336497), (7, 192284), (14, 96142), (28, 48071), (53, 25396), (106, 12698), (212, 6349), (371, 3628), (742, 1814), (907, 1484)]