66787888

素因数分解:

$2^4\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{373}}^1$

素因数の和:450

約数の個数: 60

約数和(自身を含む): 141354048

約数和(自身を除く): 74566160

約数列:

[1, 2, 4, 8, 16, 19, 31, 38, 62, 76, 124, 152, 248, 304, 361, 373, 496, 589, 722, 746, 1178, 1444, 1492, 2356, 2888, 2984, 4712, 5776, 5968, 7087, 9424, 11191, 11563, 14174, 22382, 23126, 28348, 44764, 46252, 56696, 89528, 92504, 113392, 134653, 179056, 185008, 219697, 269306, 439394, 538612, 878788, 1077224, 1757576, 2154448, 3515152, 4174243, 8348486, 16696972, 33393944, 66787888]

約数ペア:

[(1, 66787888), (2, 33393944), (4, 16696972), (8, 8348486), (16, 4174243), (19, 3515152), (31, 2154448), (38, 1757576), (62, 1077224), (76, 878788), (124, 538612), (152, 439394), (248, 269306), (304, 219697), (361, 185008), (373, 179056), (496, 134653), (589, 113392), (722, 92504), (746, 89528), (1178, 56696), (1444, 46252), (1492, 44764), (2356, 28348), (2888, 23126), (2984, 22382), (4712, 14174), (5776, 11563), (5968, 11191), (7087, 9424)]