251211984

素因数分解:

$2^4\times 3^1\times {\mathrm{647}}^1\times {\mathrm{8089}}^1$

素因数の和:8747

約数の個数: 40

約数和(自身を含む): 650047680

約数和(自身を除く): 398835696

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 647, 1294, 1941, 2588, 3882, 5176, 7764, 8089, 10352, 15528, 16178, 24267, 31056, 32356, 48534, 64712, 97068, 129424, 194136, 388272, 5233583, 10467166, 15700749, 20934332, 31401498, 41868664, 62802996, 83737328, 125605992, 251211984]

約数ペア:

[(1, 251211984), (2, 125605992), (3, 83737328), (4, 62802996), (6, 41868664), (8, 31401498), (12, 20934332), (16, 15700749), (24, 10467166), (48, 5233583), (647, 388272), (1294, 194136), (1941, 129424), (2588, 97068), (3882, 64712), (5176, 48534), (7764, 32356), (8089, 31056), (10352, 24267), (15528, 16178)]