66758704

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{5107}}^1$

素因数の和:5177

約数の個数: 40

約数和(自身を含む): 139346240

約数和(自身を除く): 72587536

約数列:

[1, 2, 4, 8, 16, 19, 38, 43, 76, 86, 152, 172, 304, 344, 688, 817, 1634, 3268, 5107, 6536, 10214, 13072, 20428, 40856, 81712, 97033, 194066, 219601, 388132, 439202, 776264, 878404, 1552528, 1756808, 3513616, 4172419, 8344838, 16689676, 33379352, 66758704]

約数ペア:

[(1, 66758704), (2, 33379352), (4, 16689676), (8, 8344838), (16, 4172419), (19, 3513616), (38, 1756808), (43, 1552528), (76, 878404), (86, 776264), (152, 439202), (172, 388132), (304, 219601), (344, 194066), (688, 97033), (817, 81712), (1634, 40856), (3268, 20428), (5107, 13072), (6536, 10214)]