78919504

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{157}}^1\times {\mathrm{353}}^1$

素因数の和:607

約数の個数: 40

約数和(自身を含む): 156050280

約数和(自身を除く): 77130776

約数列:

[1, 2, 4, 8, 16, 89, 157, 178, 314, 353, 356, 628, 706, 712, 1256, 1412, 1424, 2512, 2824, 5648, 13973, 27946, 31417, 55421, 55892, 62834, 110842, 111784, 125668, 221684, 223568, 251336, 443368, 502672, 886736, 4932469, 9864938, 19729876, 39459752, 78919504]

約数ペア:

[(1, 78919504), (2, 39459752), (4, 19729876), (8, 9864938), (16, 4932469), (89, 886736), (157, 502672), (178, 443368), (314, 251336), (353, 223568), (356, 221684), (628, 125668), (706, 111784), (712, 110842), (1256, 62834), (1412, 55892), (1424, 55421), (2512, 31417), (2824, 27946), (5648, 13973)]