258518312

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{46901}}^1$

素因数の和:46973

約数の個数: 32

約数和(自身を含む): 531868680

約数和(自身を除く): 273350368

約数列:

[1, 2, 4, 8, 13, 26, 52, 53, 104, 106, 212, 424, 689, 1378, 2756, 5512, 46901, 93802, 187604, 375208, 609713, 1219426, 2438852, 2485753, 4877704, 4971506, 9943012, 19886024, 32314789, 64629578, 129259156, 258518312]

約数ペア:

[(1, 258518312), (2, 129259156), (4, 64629578), (8, 32314789), (13, 19886024), (26, 9943012), (52, 4971506), (53, 4877704), (104, 2485753), (106, 2438852), (212, 1219426), (424, 609713), (689, 375208), (1378, 187604), (2756, 93802), (5512, 46901)]