253485688

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{38783}}^1$

素因数の和:38851

約数の個数: 32

約数和(自身を含む): 511948800

約数和(自身を除く): 258463112

約数列:

[1, 2, 4, 8, 19, 38, 43, 76, 86, 152, 172, 344, 817, 1634, 3268, 6536, 38783, 77566, 155132, 310264, 736877, 1473754, 1667669, 2947508, 3335338, 5895016, 6670676, 13341352, 31685711, 63371422, 126742844, 253485688]

約数ペア:

[(1, 253485688), (2, 126742844), (4, 63371422), (8, 31685711), (19, 13341352), (38, 6670676), (43, 5895016), (76, 3335338), (86, 2947508), (152, 1667669), (172, 1473754), (344, 736877), (817, 310264), (1634, 155132), (3268, 77566), (6536, 38783)]