156640456

素因数分解:

$2^3\times 7^2\times {\mathrm{409}}^1\times {\mathrm{977}}^1$

素因数の和:1406

約数の個数: 48

約数和(自身を含む): 342837900

約数和(自身を除く): 186197444

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 392, 409, 818, 977, 1636, 1954, 2863, 3272, 3908, 5726, 6839, 7816, 11452, 13678, 20041, 22904, 27356, 40082, 47873, 54712, 80164, 95746, 160328, 191492, 382984, 399593, 799186, 1598372, 2797151, 3196744, 5594302, 11188604, 19580057, 22377208, 39160114, 78320228, 156640456]

約数ペア:

[(1, 156640456), (2, 78320228), (4, 39160114), (7, 22377208), (8, 19580057), (14, 11188604), (28, 5594302), (49, 3196744), (56, 2797151), (98, 1598372), (196, 799186), (392, 399593), (409, 382984), (818, 191492), (977, 160328), (1636, 95746), (1954, 80164), (2863, 54712), (3272, 47873), (3908, 40082), (5726, 27356), (6839, 22904), (7816, 20041), (11452, 13678)]