78355888

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{449}}^1\times {\mathrm{839}}^1$

素因数の和:1309

約数の個数: 40

約数和(自身を含む): 164052000

約数和(自身を除く): 85696112

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 449, 839, 898, 1678, 1796, 3356, 3592, 5837, 6712, 7184, 10907, 11674, 13424, 21814, 23348, 43628, 46696, 87256, 93392, 174512, 376711, 753422, 1506844, 3013688, 4897243, 6027376, 9794486, 19588972, 39177944, 78355888]

約数ペア:

[(1, 78355888), (2, 39177944), (4, 19588972), (8, 9794486), (13, 6027376), (16, 4897243), (26, 3013688), (52, 1506844), (104, 753422), (208, 376711), (449, 174512), (839, 93392), (898, 87256), (1678, 46696), (1796, 43628), (3356, 23348), (3592, 21814), (5837, 13424), (6712, 11674), (7184, 10907)]