128523944

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{20107}}^1$

素因数の和:20177

約数の個数: 32

約数和(自身を含む): 260599680

約数和(自身を除く): 132075736

約数列:

[1, 2, 4, 8, 17, 34, 47, 68, 94, 136, 188, 376, 799, 1598, 3196, 6392, 20107, 40214, 80428, 160856, 341819, 683638, 945029, 1367276, 1890058, 2734552, 3780116, 7560232, 16065493, 32130986, 64261972, 128523944]

約数ペア:

[(1, 128523944), (2, 64261972), (4, 32130986), (8, 16065493), (17, 7560232), (34, 3780116), (47, 2734552), (68, 1890058), (94, 1367276), (136, 945029), (188, 683638), (376, 341819), (799, 160856), (1598, 80428), (3196, 40214), (6392, 20107)]