78452008

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{307}}^1\times {\mathrm{1879}}^1$

素因数の和:2209

約数の個数: 32

約数和(自身を含む): 156340800

約数和(自身を除く): 77888792

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 307, 614, 1228, 1879, 2456, 3758, 5219, 7516, 10438, 15032, 20876, 31943, 41752, 63886, 127772, 255544, 576853, 1153706, 2307412, 4614824, 9806501, 19613002, 39226004, 78452008]

約数ペア:

[(1, 78452008), (2, 39226004), (4, 19613002), (8, 9806501), (17, 4614824), (34, 2307412), (68, 1153706), (136, 576853), (307, 255544), (614, 127772), (1228, 63886), (1879, 41752), (2456, 31943), (3758, 20876), (5219, 15032), (7516, 10438)]